Home / 493,947.64-740,835.29-138,877.25

Finding the Fourth Proportional to 493,947.64, 740,835.29 and 138,877.25

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Solution

The fourth proportional to 493,947.64, 740,835.29 and 138,877.25 is: 208,291.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,947.64 : 740,835.29 = 138,877.25 : x
  2. Step 2: Convert to fraction form
    493,947.64/740,835.29 = 138,877.25/x
  3. Step 3: Cross multiply
    493,947.64x = 740,835.29 × 138,877.25
  4. Step 4: Simplify right side
    493,947.64x = 102,885,167,778.15
  5. Step 5: Solve for x
    x = 102,885,167,778.15/493,947.64
  6. Step 6: Final answer
    x = 208,291.65

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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.