Home / 447,077.40-616,964-253,521.82

Finding the Fourth Proportional to 447,077.40, 616,964 and 253,521.82

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Solution

The fourth proportional to 447,077.40, 616,964 and 253,521.82 is: 349,858.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,077.40 : 616,964 = 253,521.82 : x
  2. Step 2: Convert to fraction form
    447,077.40/616,964 = 253,521.82/x
  3. Step 3: Cross multiply
    447,077.40x = 616,964 × 253,521.82
  4. Step 4: Simplify right side
    447,077.40x = 156,413,836,154.48
  5. Step 5: Solve for x
    x = 156,413,836,154.48/447,077.40
  6. Step 6: Final answer
    x = 349,858.52

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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.