Home / 206,275.02-309,412.77-56,516.61

Finding the Fourth Proportional to 206,275.02, 309,412.77 and 56,516.61

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Solution

The fourth proportional to 206,275.02, 309,412.77 and 56,516.61 is: 84,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,275.02 : 309,412.77 = 56,516.61 : x
  2. Step 2: Convert to fraction form
    206,275.02/309,412.77 = 56,516.61/x
  3. Step 3: Cross multiply
    206,275.02x = 309,412.77 × 56,516.61
  4. Step 4: Simplify right side
    206,275.02x = 17,486,960,851.11
  5. Step 5: Solve for x
    x = 17,486,960,851.11/206,275.02
  6. Step 6: Final answer
    x = 84,774.98

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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.