Home / 830,176.70-1,245,265.96-231,139.16

Finding the Fourth Proportional to 830,176.70, 1,245,265.96 and 231,139.16

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Solution

The fourth proportional to 830,176.70, 1,245,265.96 and 231,139.16 is: 346,708.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,176.70 : 1,245,265.96 = 231,139.16 : x
  2. Step 2: Convert to fraction form
    830,176.70/1,245,265.96 = 231,139.16/x
  3. Step 3: Cross multiply
    830,176.70x = 1,245,265.96 × 231,139.16
  4. Step 4: Simplify right side
    830,176.70x = 287,829,727,970.99
  5. Step 5: Solve for x
    x = 287,829,727,970.99/830,176.70
  6. Step 6: Final answer
    x = 346,708.99

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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.