Home / 453,272.96-679,987.20-242,854.40

Finding the Fourth Proportional to 453,272.96, 679,987.20 and 242,854.40

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Solution

The fourth proportional to 453,272.96, 679,987.20 and 242,854.40 is: 364,323.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,272.96 : 679,987.20 = 242,854.40 : x
  2. Step 2: Convert to fraction form
    453,272.96/679,987.20 = 242,854.40/x
  3. Step 3: Cross multiply
    453,272.96x = 679,987.20 × 242,854.40
  4. Step 4: Simplify right side
    453,272.96x = 165,137,883,463.68
  5. Step 5: Solve for x
    x = 165,137,883,463.68/453,272.96
  6. Step 6: Final answer
    x = 364,323.26

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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.