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Finding the Fourth Proportional to 571,891.32, 858,114 and 235,180.80

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Solution

The fourth proportional to 571,891.32, 858,114 and 235,180.80 is: 352,885.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,891.32 : 858,114 = 235,180.80 : x
  2. Step 2: Convert to fraction form
    571,891.32/858,114 = 235,180.80/x
  3. Step 3: Cross multiply
    571,891.32x = 858,114 × 235,180.80
  4. Step 4: Simplify right side
    571,891.32x = 201,811,937,011.20
  5. Step 5: Solve for x
    x = 201,811,937,011.20/571,891.32
  6. Step 6: Final answer
    x = 352,885.12

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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.