Home / 314,020.86-471,036.68-89,387.06

Finding the Fourth Proportional to 314,020.86, 471,036.68 and 89,387.06

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Solution

The fourth proportional to 314,020.86, 471,036.68 and 89,387.06 is: 134,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,020.86 : 471,036.68 = 89,387.06 : x
  2. Step 2: Convert to fraction form
    314,020.86/471,036.68 = 89,387.06/x
  3. Step 3: Cross multiply
    314,020.86x = 471,036.68 × 89,387.06
  4. Step 4: Simplify right side
    314,020.86x = 42,104,583,977.36
  5. Step 5: Solve for x
    x = 42,104,583,977.36/314,020.86
  6. Step 6: Final answer
    x = 134,082.12

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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.