Home / 314,330.08-471,512.54-89,673.24

Finding the Fourth Proportional to 314,330.08, 471,512.54 and 89,673.24

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Solution

The fourth proportional to 314,330.08, 471,512.54 and 89,673.24 is: 134,514.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,330.08 : 471,512.54 = 89,673.24 : x
  2. Step 2: Convert to fraction form
    314,330.08/471,512.54 = 89,673.24/x
  3. Step 3: Cross multiply
    314,330.08x = 471,512.54 × 89,673.24
  4. Step 4: Simplify right side
    314,330.08x = 42,282,057,386.61
  5. Step 5: Solve for x
    x = 42,282,057,386.61/314,330.08
  6. Step 6: Final answer
    x = 134,514.83

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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.