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Finding the Fourth Proportional to 242,048.48, 333,890.57 and 145,227.26

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Solution

The fourth proportional to 242,048.48, 333,890.57 and 145,227.26 is: 200,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,048.48 : 333,890.57 = 145,227.26 : x
  2. Step 2: Convert to fraction form
    242,048.48/333,890.57 = 145,227.26/x
  3. Step 3: Cross multiply
    242,048.48x = 333,890.57 × 145,227.26
  4. Step 4: Simplify right side
    242,048.48x = 48,490,013,818.73
  5. Step 5: Solve for x
    x = 48,490,013,818.73/242,048.48
  6. Step 6: Final answer
    x = 200,331.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.