Home / 386,049.02-532,746.87-216,279.50

Finding the Fourth Proportional to 386,049.02, 532,746.87 and 216,279.50

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Solution

The fourth proportional to 386,049.02, 532,746.87 and 216,279.50 is: 298,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,049.02 : 532,746.87 = 216,279.50 : x
  2. Step 2: Convert to fraction form
    386,049.02/532,746.87 = 216,279.50/x
  3. Step 3: Cross multiply
    386,049.02x = 532,746.87 × 216,279.50
  4. Step 4: Simplify right side
    386,049.02x = 115,222,226,670.17
  5. Step 5: Solve for x
    x = 115,222,226,670.17/386,049.02
  6. Step 6: Final answer
    x = 298,465.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.