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Finding the Fourth Proportional to 453,260.96, 679,969.20 and 242,842.40

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Solution

The fourth proportional to 453,260.96, 679,969.20 and 242,842.40 is: 364,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,260.96 : 679,969.20 = 242,842.40 : x
  2. Step 2: Convert to fraction form
    453,260.96/679,969.20 = 242,842.40/x
  3. Step 3: Cross multiply
    453,260.96x = 679,969.20 × 242,842.40
  4. Step 4: Simplify right side
    453,260.96x = 165,125,352,454.08
  5. Step 5: Solve for x
    x = 165,125,352,454.08/453,260.96
  6. Step 6: Final answer
    x = 364,305.26

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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.