Home / 307,869.52-424,867.15-171,898.87

Finding the Fourth Proportional to 307,869.52, 424,867.15 and 171,898.87

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Solution

The fourth proportional to 307,869.52, 424,867.15 and 171,898.87 is: 237,224.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,869.52 : 424,867.15 = 171,898.87 : x
  2. Step 2: Convert to fraction form
    307,869.52/424,867.15 = 171,898.87/x
  3. Step 3: Cross multiply
    307,869.52x = 424,867.15 × 171,898.87
  4. Step 4: Simplify right side
    307,869.52x = 73,034,182,137.83
  5. Step 5: Solve for x
    x = 73,034,182,137.83/307,869.52
  6. Step 6: Final answer
    x = 237,224.47

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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.