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Finding the Fourth Proportional to 555,355.14, 833,032.71 and 134,631

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Solution

The fourth proportional to 555,355.14, 833,032.71 and 134,631 is: 201,946.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,355.14 : 833,032.71 = 134,631 : x
  2. Step 2: Convert to fraction form
    555,355.14/833,032.71 = 134,631/x
  3. Step 3: Cross multiply
    555,355.14x = 833,032.71 × 134,631
  4. Step 4: Simplify right side
    555,355.14x = 112,152,026,780.01
  5. Step 5: Solve for x
    x = 112,152,026,780.01/555,355.14
  6. Step 6: Final answer
    x = 201,946.50

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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.