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Finding the Fourth Proportional to 149,588.70, 224,271.45 and 90,411.90

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Solution

The fourth proportional to 149,588.70, 224,271.45 and 90,411.90 is: 135,550.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,588.70 : 224,271.45 = 90,411.90 : x
  2. Step 2: Convert to fraction form
    149,588.70/224,271.45 = 90,411.90/x
  3. Step 3: Cross multiply
    149,588.70x = 224,271.45 × 90,411.90
  4. Step 4: Simplify right side
    149,588.70x = 20,276,807,910.26
  5. Step 5: Solve for x
    x = 20,276,807,910.26/149,588.70
  6. Step 6: Final answer
    x = 135,550.40

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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.