Home / 215,417.76-323,122.02-57,646.20

Finding the Fourth Proportional to 215,417.76, 323,122.02 and 57,646.20

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Solution

The fourth proportional to 215,417.76, 323,122.02 and 57,646.20 is: 86,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,417.76 : 323,122.02 = 57,646.20 : x
  2. Step 2: Convert to fraction form
    215,417.76/323,122.02 = 57,646.20/x
  3. Step 3: Cross multiply
    215,417.76x = 323,122.02 × 57,646.20
  4. Step 4: Simplify right side
    215,417.76x = 18,626,756,589.32
  5. Step 5: Solve for x
    x = 18,626,756,589.32/215,417.76
  6. Step 6: Final answer
    x = 86,468.06

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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.