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Finding the Fourth Proportional to 636,159.40, 954,217.20 and 162,848.84

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Solution

The fourth proportional to 636,159.40, 954,217.20 and 162,848.84 is: 244,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,159.40 : 954,217.20 = 162,848.84 : x
  2. Step 2: Convert to fraction form
    636,159.40/954,217.20 = 162,848.84/x
  3. Step 3: Cross multiply
    636,159.40x = 954,217.20 × 162,848.84
  4. Step 4: Simplify right side
    636,159.40x = 155,393,164,128.05
  5. Step 5: Solve for x
    x = 155,393,164,128.05/636,159.40
  6. Step 6: Final answer
    x = 244,267.65

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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.