Home / 302,217.20-453,437.40-124,739.60

Finding the Fourth Proportional to 302,217.20, 453,437.40 and 124,739.60

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Solution

The fourth proportional to 302,217.20, 453,437.40 and 124,739.60 is: 187,155.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,217.20 : 453,437.40 = 124,739.60 : x
  2. Step 2: Convert to fraction form
    302,217.20/453,437.40 = 124,739.60/x
  3. Step 3: Cross multiply
    302,217.20x = 453,437.40 × 124,739.60
  4. Step 4: Simplify right side
    302,217.20x = 56,561,599,901.04
  5. Step 5: Solve for x
    x = 56,561,599,901.04/302,217.20
  6. Step 6: Final answer
    x = 187,155.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.