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Finding the Fourth Proportional to 273,877.80, 410,931.90 and 149,308.20

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Solution

The fourth proportional to 273,877.80, 410,931.90 and 149,308.20 is: 224,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,877.80 : 410,931.90 = 149,308.20 : x
  2. Step 2: Convert to fraction form
    273,877.80/410,931.90 = 149,308.20/x
  3. Step 3: Cross multiply
    273,877.80x = 410,931.90 × 149,308.20
  4. Step 4: Simplify right side
    273,877.80x = 61,355,502,311.58
  5. Step 5: Solve for x
    x = 61,355,502,311.58/273,877.80
  6. Step 6: Final answer
    x = 224,025.10

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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.