Home / 309,262.90-426,988.38-237,514.72

Finding the Fourth Proportional to 309,262.90, 426,988.38 and 237,514.72

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Solution

The fourth proportional to 309,262.90, 426,988.38 and 237,514.72 is: 327,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,262.90 : 426,988.38 = 237,514.72 : x
  2. Step 2: Convert to fraction form
    309,262.90/426,988.38 = 237,514.72/x
  3. Step 3: Cross multiply
    309,262.90x = 426,988.38 × 237,514.72
  4. Step 4: Simplify right side
    309,262.90x = 101,416,025,518.95
  5. Step 5: Solve for x
    x = 101,416,025,518.95/309,262.90
  6. Step 6: Final answer
    x = 327,928.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.