Home / 478,953.24-660,931.76-272,194.72

Finding the Fourth Proportional to 478,953.24, 660,931.76 and 272,194.72

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Solution

The fourth proportional to 478,953.24, 660,931.76 and 272,194.72 is: 375,615.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,953.24 : 660,931.76 = 272,194.72 : x
  2. Step 2: Convert to fraction form
    478,953.24/660,931.76 = 272,194.72/x
  3. Step 3: Cross multiply
    478,953.24x = 660,931.76 × 272,194.72
  4. Step 4: Simplify right side
    478,953.24x = 179,902,135,352.31
  5. Step 5: Solve for x
    x = 179,902,135,352.31/478,953.24
  6. Step 6: Final answer
    x = 375,615.24

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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.