Home / 385,258.02-577,974.52-207,761.10

Finding the Fourth Proportional to 385,258.02, 577,974.52 and 207,761.10

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Solution

The fourth proportional to 385,258.02, 577,974.52 and 207,761.10 is: 311,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,258.02 : 577,974.52 = 207,761.10 : x
  2. Step 2: Convert to fraction form
    385,258.02/577,974.52 = 207,761.10/x
  3. Step 3: Cross multiply
    385,258.02x = 577,974.52 × 207,761.10
  4. Step 4: Simplify right side
    385,258.02x = 120,080,622,047.17
  5. Step 5: Solve for x
    x = 120,080,622,047.17/385,258.02
  6. Step 6: Final answer
    x = 311,688.83

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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.