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Finding the Fourth Proportional to 286,152.32, 429,060 and 108,671.96

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Solution

The fourth proportional to 286,152.32, 429,060 and 108,671.96 is: 162,943.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,152.32 : 429,060 = 108,671.96 : x
  2. Step 2: Convert to fraction form
    286,152.32/429,060 = 108,671.96/x
  3. Step 3: Cross multiply
    286,152.32x = 429,060 × 108,671.96
  4. Step 4: Simplify right side
    286,152.32x = 46,626,791,157.60
  5. Step 5: Solve for x
    x = 46,626,791,157.60/286,152.32
  6. Step 6: Final answer
    x = 162,943.96

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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.