Home / 830,158.45-1,245,113.74-231,057.13

Finding the Fourth Proportional to 830,158.45, 1,245,113.74 and 231,057.13

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Solution

The fourth proportional to 830,158.45, 1,245,113.74 and 231,057.13 is: 346,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,158.45 : 1,245,113.74 = 231,057.13 : x
  2. Step 2: Convert to fraction form
    830,158.45/1,245,113.74 = 231,057.13/x
  3. Step 3: Cross multiply
    830,158.45x = 1,245,113.74 × 231,057.13
  4. Step 4: Simplify right side
    830,158.45x = 287,692,407,287.97
  5. Step 5: Solve for x
    x = 287,692,407,287.97/830,158.45
  6. Step 6: Final answer
    x = 346,551.20

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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.