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Finding the Fourth Proportional to 305,505.60, 458,593.68 and 242,729.28

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Solution

The fourth proportional to 305,505.60, 458,593.68 and 242,729.28 is: 364,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,505.60 : 458,593.68 = 242,729.28 : x
  2. Step 2: Convert to fraction form
    305,505.60/458,593.68 = 242,729.28/x
  3. Step 3: Cross multiply
    305,505.60x = 458,593.68 × 242,729.28
  4. Step 4: Simplify right side
    305,505.60x = 111,314,113,758.95
  5. Step 5: Solve for x
    x = 111,314,113,758.95/305,505.60
  6. Step 6: Final answer
    x = 364,360.31

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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.