Home / 314,452.20-471,701.52-89,831.64

Finding the Fourth Proportional to 314,452.20, 471,701.52 and 89,831.64

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Solution

The fourth proportional to 314,452.20, 471,701.52 and 89,831.64 is: 134,754.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,452.20 : 471,701.52 = 89,831.64 : x
  2. Step 2: Convert to fraction form
    314,452.20/471,701.52 = 89,831.64/x
  3. Step 3: Cross multiply
    314,452.20x = 471,701.52 × 89,831.64
  4. Step 4: Simplify right side
    314,452.20x = 42,373,721,132.09
  5. Step 5: Solve for x
    x = 42,373,721,132.09/314,452.20
  6. Step 6: Final answer
    x = 134,754.09

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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.