Home / 309,984.06-465,024.69-132,492

Finding the Fourth Proportional to 309,984.06, 465,024.69 and 132,492

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Solution

The fourth proportional to 309,984.06, 465,024.69 and 132,492 is: 198,758.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,984.06 : 465,024.69 = 132,492 : x
  2. Step 2: Convert to fraction form
    309,984.06/465,024.69 = 132,492/x
  3. Step 3: Cross multiply
    309,984.06x = 465,024.69 × 132,492
  4. Step 4: Simplify right side
    309,984.06x = 61,612,051,227.48
  5. Step 5: Solve for x
    x = 61,612,051,227.48/309,984.06
  6. Step 6: Final answer
    x = 198,758.77

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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.