Home / 478,954.24-660,933.14-272,195.72

Finding the Fourth Proportional to 478,954.24, 660,933.14 and 272,195.72

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Solution

The fourth proportional to 478,954.24, 660,933.14 and 272,195.72 is: 375,616.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,954.24 : 660,933.14 = 272,195.72 : x
  2. Step 2: Convert to fraction form
    478,954.24/660,933.14 = 272,195.72/x
  3. Step 3: Cross multiply
    478,954.24x = 660,933.14 × 272,195.72
  4. Step 4: Simplify right side
    478,954.24x = 179,903,171,914.16
  5. Step 5: Solve for x
    x = 179,903,171,914.16/478,954.24
  6. Step 6: Final answer
    x = 375,616.62

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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.