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Finding the Fourth Proportional to 555,158.76, 832,740.30 and 134,435.04

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Solution

The fourth proportional to 555,158.76, 832,740.30 and 134,435.04 is: 201,653.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,158.76 : 832,740.30 = 134,435.04 : x
  2. Step 2: Convert to fraction form
    555,158.76/832,740.30 = 134,435.04/x
  3. Step 3: Cross multiply
    555,158.76x = 832,740.30 × 134,435.04
  4. Step 4: Simplify right side
    555,158.76x = 111,949,475,540.11
  5. Step 5: Solve for x
    x = 111,949,475,540.11/555,158.76
  6. Step 6: Final answer
    x = 201,653.08

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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.