Home / 296,589.09-409,207.23-167,520.72

Finding the Fourth Proportional to 296,589.09, 409,207.23 and 167,520.72

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Solution

The fourth proportional to 296,589.09, 409,207.23 and 167,520.72 is: 231,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,589.09 : 409,207.23 = 167,520.72 : x
  2. Step 2: Convert to fraction form
    296,589.09/409,207.23 = 167,520.72/x
  3. Step 3: Cross multiply
    296,589.09x = 409,207.23 × 167,520.72
  4. Step 4: Simplify right side
    296,589.09x = 68,550,689,798.81
  5. Step 5: Solve for x
    x = 68,550,689,798.81/296,589.09
  6. Step 6: Final answer
    x = 231,130.18

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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.