Home / 375,019.20-517,529.52-205,254.72

Finding the Fourth Proportional to 375,019.20, 517,529.52 and 205,254.72

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Solution

The fourth proportional to 375,019.20, 517,529.52 and 205,254.72 is: 283,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,019.20 : 517,529.52 = 205,254.72 : x
  2. Step 2: Convert to fraction form
    375,019.20/517,529.52 = 205,254.72/x
  3. Step 3: Cross multiply
    375,019.20x = 517,529.52 × 205,254.72
  4. Step 4: Simplify right side
    375,019.20x = 106,225,376,719.33
  5. Step 5: Solve for x
    x = 106,225,376,719.33/375,019.20
  6. Step 6: Final answer
    x = 283,253.17

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1.5x scale

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.