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Finding the Fourth Proportional to 174,438.40, 261,350.40 and 149,862.40

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Solution

The fourth proportional to 174,438.40, 261,350.40 and 149,862.40 is: 224,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,438.40 : 261,350.40 = 149,862.40 : x
  2. Step 2: Convert to fraction form
    174,438.40/261,350.40 = 149,862.40/x
  3. Step 3: Cross multiply
    174,438.40x = 261,350.40 × 149,862.40
  4. Step 4: Simplify right side
    174,438.40x = 39,166,598,184.96
  5. Step 5: Solve for x
    x = 39,166,598,184.96/174,438.40
  6. Step 6: Final answer
    x = 224,529.68

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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.