Home / 372,828.89-514,539.65-229,672.73

Finding the Fourth Proportional to 372,828.89, 514,539.65 and 229,672.73

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Solution

The fourth proportional to 372,828.89, 514,539.65 and 229,672.73 is: 316,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,828.89 : 514,539.65 = 229,672.73 : x
  2. Step 2: Convert to fraction form
    372,828.89/514,539.65 = 229,672.73/x
  3. Step 3: Cross multiply
    372,828.89x = 514,539.65 × 229,672.73
  4. Step 4: Simplify right side
    372,828.89x = 118,175,727,969.28
  5. Step 5: Solve for x
    x = 118,175,727,969.28/372,828.89
  6. Step 6: Final answer
    x = 316,970.41

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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.