Home / 740,221.68-1,110,335.40-179,256.72

Finding the Fourth Proportional to 740,221.68, 1,110,335.40 and 179,256.72

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Solution

The fourth proportional to 740,221.68, 1,110,335.40 and 179,256.72 is: 268,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,221.68 : 1,110,335.40 = 179,256.72 : x
  2. Step 2: Convert to fraction form
    740,221.68/1,110,335.40 = 179,256.72/x
  3. Step 3: Cross multiply
    740,221.68x = 1,110,335.40 × 179,256.72
  4. Step 4: Simplify right side
    740,221.68x = 199,035,081,903.89
  5. Step 5: Solve for x
    x = 199,035,081,903.89/740,221.68
  6. Step 6: Final answer
    x = 268,885.78

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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.