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Finding the Fourth Proportional to 375,019.07, 517,538.70 and 205,253.19

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Solution

The fourth proportional to 375,019.07, 517,538.70 and 205,253.19 is: 283,256.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,019.07 : 517,538.70 = 205,253.19 : x
  2. Step 2: Convert to fraction form
    375,019.07/517,538.70 = 205,253.19/x
  3. Step 3: Cross multiply
    375,019.07x = 517,538.70 × 205,253.19
  4. Step 4: Simplify right side
    375,019.07x = 106,226,469,123.45
  5. Step 5: Solve for x
    x = 106,226,469,123.45/375,019.07
  6. Step 6: Final answer
    x = 283,256.18

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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.