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Finding the Fourth Proportional to 539,077.20, 808,810.20 and 223,630.80

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Solution

The fourth proportional to 539,077.20, 808,810.20 and 223,630.80 is: 335,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,077.20 : 808,810.20 = 223,630.80 : x
  2. Step 2: Convert to fraction form
    539,077.20/808,810.20 = 223,630.80/x
  3. Step 3: Cross multiply
    539,077.20x = 808,810.20 × 223,630.80
  4. Step 4: Simplify right side
    539,077.20x = 180,874,872,074.16
  5. Step 5: Solve for x
    x = 180,874,872,074.16/539,077.20
  6. Step 6: Final answer
    x = 335,526.84

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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.