Home / 326,764.56-490,145.04-127,223.76

Finding the Fourth Proportional to 326,764.56, 490,145.04 and 127,223.76

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Solution

The fourth proportional to 326,764.56, 490,145.04 and 127,223.76 is: 190,834.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,764.56 : 490,145.04 = 127,223.76 : x
  2. Step 2: Convert to fraction form
    326,764.56/490,145.04 = 127,223.76/x
  3. Step 3: Cross multiply
    326,764.56x = 490,145.04 × 127,223.76
  4. Step 4: Simplify right side
    326,764.56x = 62,358,094,934.15
  5. Step 5: Solve for x
    x = 62,358,094,934.15/326,764.56
  6. Step 6: Final answer
    x = 190,834.94

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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.