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Finding the Fourth Proportional to 429,882.61, 593,190.90 and 248,567.10

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Solution

The fourth proportional to 429,882.61, 593,190.90 and 248,567.10 is: 342,995.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,882.61 : 593,190.90 = 248,567.10 : x
  2. Step 2: Convert to fraction form
    429,882.61/593,190.90 = 248,567.10/x
  3. Step 3: Cross multiply
    429,882.61x = 593,190.90 × 248,567.10
  4. Step 4: Simplify right side
    429,882.61x = 147,447,741,759.39
  5. Step 5: Solve for x
    x = 147,447,741,759.39/429,882.61
  6. Step 6: Final answer
    x = 342,995.36

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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.