Home / 534,955.69-802,306.19-215,108.31

Finding the Fourth Proportional to 534,955.69, 802,306.19 and 215,108.31

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Solution

The fourth proportional to 534,955.69, 802,306.19 and 215,108.31 is: 322,611.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,955.69 : 802,306.19 = 215,108.31 : x
  2. Step 2: Convert to fraction form
    534,955.69/802,306.19 = 215,108.31/x
  3. Step 3: Cross multiply
    534,955.69x = 802,306.19 × 215,108.31
  4. Step 4: Simplify right side
    534,955.69x = 172,582,727,061.89
  5. Step 5: Solve for x
    x = 172,582,727,061.89/534,955.69
  6. Step 6: Final answer
    x = 322,611.26

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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.