Home / 460,212.30-690,036.57-179,401.50

Finding the Fourth Proportional to 460,212.30, 690,036.57 and 179,401.50

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Solution

The fourth proportional to 460,212.30, 690,036.57 and 179,401.50 is: 268,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,212.30 : 690,036.57 = 179,401.50 : x
  2. Step 2: Convert to fraction form
    460,212.30/690,036.57 = 179,401.50/x
  3. Step 3: Cross multiply
    460,212.30x = 690,036.57 × 179,401.50
  4. Step 4: Simplify right side
    460,212.30x = 123,793,595,712.86
  5. Step 5: Solve for x
    x = 123,793,595,712.86/460,212.30
  6. Step 6: Final answer
    x = 268,992.37

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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.