Home / 434,542.20-651,813.30-118,998.60

Finding the Fourth Proportional to 434,542.20, 651,813.30 and 118,998.60

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Solution

The fourth proportional to 434,542.20, 651,813.30 and 118,998.60 is: 178,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,542.20 : 651,813.30 = 118,998.60 : x
  2. Step 2: Convert to fraction form
    434,542.20/651,813.30 = 118,998.60/x
  3. Step 3: Cross multiply
    434,542.20x = 651,813.30 × 118,998.60
  4. Step 4: Simplify right side
    434,542.20x = 77,564,870,161.38
  5. Step 5: Solve for x
    x = 77,564,870,161.38/434,542.20
  6. Step 6: Final answer
    x = 178,497.90

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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.