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Finding the Fourth Proportional to 234,101.40, 350,558.10 and 128,801.40

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Solution

The fourth proportional to 234,101.40, 350,558.10 and 128,801.40 is: 192,875.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,101.40 : 350,558.10 = 128,801.40 : x
  2. Step 2: Convert to fraction form
    234,101.40/350,558.10 = 128,801.40/x
  3. Step 3: Cross multiply
    234,101.40x = 350,558.10 × 128,801.40
  4. Step 4: Simplify right side
    234,101.40x = 45,152,374,061.34
  5. Step 5: Solve for x
    x = 45,152,374,061.34/234,101.40
  6. Step 6: Final answer
    x = 192,875.28

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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.