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Finding the Fourth Proportional to 234,671.60, 352,010.28 and 155,218.16

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Solution

The fourth proportional to 234,671.60, 352,010.28 and 155,218.16 is: 232,829.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,671.60 : 352,010.28 = 155,218.16 : x
  2. Step 2: Convert to fraction form
    234,671.60/352,010.28 = 155,218.16/x
  3. Step 3: Cross multiply
    234,671.60x = 352,010.28 × 155,218.16
  4. Step 4: Simplify right side
    234,671.60x = 54,638,387,962.68
  5. Step 5: Solve for x
    x = 54,638,387,962.68/234,671.60
  6. Step 6: Final answer
    x = 232,829.14

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1.5x scale

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.