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Finding the Fourth Proportional to 359,168.80, 538,522.80 and 148,890.40

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Solution

The fourth proportional to 359,168.80, 538,522.80 and 148,890.40 is: 223,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,168.80 : 538,522.80 = 148,890.40 : x
  2. Step 2: Convert to fraction form
    359,168.80/538,522.80 = 148,890.40/x
  3. Step 3: Cross multiply
    359,168.80x = 538,522.80 × 148,890.40
  4. Step 4: Simplify right side
    359,168.80x = 80,180,875,101.12
  5. Step 5: Solve for x
    x = 80,180,875,101.12/359,168.80
  6. Step 6: Final answer
    x = 223,240.09

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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.