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Finding the Fourth Proportional to 636,137.80, 954,206.08 and 162,822.40

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Solution

The fourth proportional to 636,137.80, 954,206.08 and 162,822.40 is: 244,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,137.80 : 954,206.08 = 162,822.40 : x
  2. Step 2: Convert to fraction form
    636,137.80/954,206.08 = 162,822.40/x
  3. Step 3: Cross multiply
    636,137.80x = 954,206.08 × 162,822.40
  4. Step 4: Simplify right side
    636,137.80x = 155,366,124,040.19
  5. Step 5: Solve for x
    x = 155,366,124,040.19/636,137.80
  6. Step 6: Final answer
    x = 244,233.44

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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.