Home / 347,902.40-521,689.10-134,770.14

Finding the Fourth Proportional to 347,902.40, 521,689.10 and 134,770.14

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Solution

The fourth proportional to 347,902.40, 521,689.10 and 134,770.14 is: 202,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,902.40 : 521,689.10 = 134,770.14 : x
  2. Step 2: Convert to fraction form
    347,902.40/521,689.10 = 134,770.14/x
  3. Step 3: Cross multiply
    347,902.40x = 521,689.10 × 134,770.14
  4. Step 4: Simplify right side
    347,902.40x = 70,308,113,043.47
  5. Step 5: Solve for x
    x = 70,308,113,043.47/347,902.40
  6. Step 6: Final answer
    x = 202,091.49

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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.