Home / 402,189.02-554,999.18-230,110.40

Finding the Fourth Proportional to 402,189.02, 554,999.18 and 230,110.40

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Solution

The fourth proportional to 402,189.02, 554,999.18 and 230,110.40 is: 317,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,189.02 : 554,999.18 = 230,110.40 : x
  2. Step 2: Convert to fraction form
    402,189.02/554,999.18 = 230,110.40/x
  3. Step 3: Cross multiply
    402,189.02x = 554,999.18 × 230,110.40
  4. Step 4: Simplify right side
    402,189.02x = 127,711,083,309.47
  5. Step 5: Solve for x
    x = 127,711,083,309.47/402,189.02
  6. Step 6: Final answer
    x = 317,539.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.