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Finding the Fourth Proportional to 182,430.39, 273,639.60 and 82,590.60

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Solution

The fourth proportional to 182,430.39, 273,639.60 and 82,590.60 is: 123,883.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,430.39 : 273,639.60 = 82,590.60 : x
  2. Step 2: Convert to fraction form
    182,430.39/273,639.60 = 82,590.60/x
  3. Step 3: Cross multiply
    182,430.39x = 273,639.60 × 82,590.60
  4. Step 4: Simplify right side
    182,430.39x = 22,600,058,747.76
  5. Step 5: Solve for x
    x = 22,600,058,747.76/182,430.39
  6. Step 6: Final answer
    x = 123,883.19

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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.