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Finding the Fourth Proportional to 434,517.70, 651,776.55 and 118,974.10

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Solution

The fourth proportional to 434,517.70, 651,776.55 and 118,974.10 is: 178,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,517.70 : 651,776.55 = 118,974.10 : x
  2. Step 2: Convert to fraction form
    434,517.70/651,776.55 = 118,974.10/x
  3. Step 3: Cross multiply
    434,517.70x = 651,776.55 × 118,974.10
  4. Step 4: Simplify right side
    434,517.70x = 77,544,528,437.36
  5. Step 5: Solve for x
    x = 77,544,528,437.36/434,517.70
  6. Step 6: Final answer
    x = 178,461.15

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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.