Home / 385,260.02-577,977.52-207,763.10

Finding the Fourth Proportional to 385,260.02, 577,977.52 and 207,763.10

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Solution

The fourth proportional to 385,260.02, 577,977.52 and 207,763.10 is: 311,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,260.02 : 577,977.52 = 207,763.10 : x
  2. Step 2: Convert to fraction form
    385,260.02/577,977.52 = 207,763.10/x
  3. Step 3: Cross multiply
    385,260.02x = 577,977.52 × 207,763.10
  4. Step 4: Simplify right side
    385,260.02x = 120,082,401,285.51
  5. Step 5: Solve for x
    x = 120,082,401,285.51/385,260.02
  6. Step 6: Final answer
    x = 311,691.83

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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.