Home / 327,224.80-490,636.12-127,312.35

Finding the Fourth Proportional to 327,224.80, 490,636.12 and 127,312.35

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Solution

The fourth proportional to 327,224.80, 490,636.12 and 127,312.35 is: 190,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,224.80 : 490,636.12 = 127,312.35 : x
  2. Step 2: Convert to fraction form
    327,224.80/490,636.12 = 127,312.35/x
  3. Step 3: Cross multiply
    327,224.80x = 490,636.12 × 127,312.35
  4. Step 4: Simplify right side
    327,224.80x = 62,464,037,432.08
  5. Step 5: Solve for x
    x = 62,464,037,432.08/327,224.80
  6. Step 6: Final answer
    x = 190,890.29

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1.5x scale

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.