Home / 402,869.31-604,317.47-122,385.75

Finding the Fourth Proportional to 402,869.31, 604,317.47 and 122,385.75

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Solution

The fourth proportional to 402,869.31, 604,317.47 and 122,385.75 is: 183,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,869.31 : 604,317.47 = 122,385.75 : x
  2. Step 2: Convert to fraction form
    402,869.31/604,317.47 = 122,385.75/x
  3. Step 3: Cross multiply
    402,869.31x = 604,317.47 × 122,385.75
  4. Step 4: Simplify right side
    402,869.31x = 73,959,846,192.12
  5. Step 5: Solve for x
    x = 73,959,846,192.12/402,869.31
  6. Step 6: Final answer
    x = 183,582.73

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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.