Home / 830,195.70-1,245,294.45-231,158.16

Finding the Fourth Proportional to 830,195.70, 1,245,294.45 and 231,158.16

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Solution

The fourth proportional to 830,195.70, 1,245,294.45 and 231,158.16 is: 346,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,195.70 : 1,245,294.45 = 231,158.16 : x
  2. Step 2: Convert to fraction form
    830,195.70/1,245,294.45 = 231,158.16/x
  3. Step 3: Cross multiply
    830,195.70x = 1,245,294.45 × 231,158.16
  4. Step 4: Simplify right side
    830,195.70x = 287,859,973,720.21
  5. Step 5: Solve for x
    x = 287,859,973,720.21/830,195.70
  6. Step 6: Final answer
    x = 346,737.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.