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Finding the Fourth Proportional to 255,737.20, 383,281.80 and 97,754.80

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Solution

The fourth proportional to 255,737.20, 383,281.80 and 97,754.80 is: 146,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,737.20 : 383,281.80 = 97,754.80 : x
  2. Step 2: Convert to fraction form
    255,737.20/383,281.80 = 97,754.80/x
  3. Step 3: Cross multiply
    255,737.20x = 383,281.80 × 97,754.80
  4. Step 4: Simplify right side
    255,737.20x = 37,467,635,702.64
  5. Step 5: Solve for x
    x = 37,467,635,702.64/255,737.20
  6. Step 6: Final answer
    x = 146,508.35

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1.5x scale

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.