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Finding the Fourth Proportional to 334,740.96, 502,111.20 and 98,083.48

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Solution

The fourth proportional to 334,740.96, 502,111.20 and 98,083.48 is: 147,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,740.96 : 502,111.20 = 98,083.48 : x
  2. Step 2: Convert to fraction form
    334,740.96/502,111.20 = 98,083.48/x
  3. Step 3: Cross multiply
    334,740.96x = 502,111.20 × 98,083.48
  4. Step 4: Simplify right side
    334,740.96x = 49,248,813,842.98
  5. Step 5: Solve for x
    x = 49,248,813,842.98/334,740.96
  6. Step 6: Final answer
    x = 147,125.15

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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.