Home / 457,943.27-686,977.40-158,343.41

Finding the Fourth Proportional to 457,943.27, 686,977.40 and 158,343.41

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Solution

The fourth proportional to 457,943.27, 686,977.40 and 158,343.41 is: 237,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,943.27 : 686,977.40 = 158,343.41 : x
  2. Step 2: Convert to fraction form
    457,943.27/686,977.40 = 158,343.41/x
  3. Step 3: Cross multiply
    457,943.27x = 686,977.40 × 158,343.41
  4. Step 4: Simplify right side
    457,943.27x = 108,778,342,357.99
  5. Step 5: Solve for x
    x = 108,778,342,357.99/457,943.27
  6. Step 6: Final answer
    x = 237,536.72

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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.