Home / 442,619.40-663,054.30-242,581.80

Finding the Fourth Proportional to 442,619.40, 663,054.30 and 242,581.80

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Solution

The fourth proportional to 442,619.40, 663,054.30 and 242,581.80 is: 363,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,619.40 : 663,054.30 = 242,581.80 : x
  2. Step 2: Convert to fraction form
    442,619.40/663,054.30 = 242,581.80/x
  3. Step 3: Cross multiply
    442,619.40x = 663,054.30 × 242,581.80
  4. Step 4: Simplify right side
    442,619.40x = 160,844,905,591.74
  5. Step 5: Solve for x
    x = 160,844,905,591.74/442,619.40
  6. Step 6: Final answer
    x = 363,393.26

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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.