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Finding the Fourth Proportional to 283,030.20, 424,545.30 and 188,551.80

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Solution

The fourth proportional to 283,030.20, 424,545.30 and 188,551.80 is: 282,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,030.20 : 424,545.30 = 188,551.80 : x
  2. Step 2: Convert to fraction form
    283,030.20/424,545.30 = 188,551.80/x
  3. Step 3: Cross multiply
    283,030.20x = 424,545.30 × 188,551.80
  4. Step 4: Simplify right side
    283,030.20x = 80,048,780,496.54
  5. Step 5: Solve for x
    x = 80,048,780,496.54/283,030.20
  6. Step 6: Final answer
    x = 282,827.70

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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.