Home / 493,848.28-740,772.68-138,862.29

Finding the Fourth Proportional to 493,848.28, 740,772.68 and 138,862.29

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Solution

The fourth proportional to 493,848.28, 740,772.68 and 138,862.29 is: 208,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,848.28 : 740,772.68 = 138,862.29 : x
  2. Step 2: Convert to fraction form
    493,848.28/740,772.68 = 138,862.29/x
  3. Step 3: Cross multiply
    493,848.28x = 740,772.68 × 138,862.29
  4. Step 4: Simplify right side
    493,848.28x = 102,865,392,797.82
  5. Step 5: Solve for x
    x = 102,865,392,797.82/493,848.28
  6. Step 6: Final answer
    x = 208,293.51

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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.