Home / 384,862.10-531,108.36-215,096.22

Finding the Fourth Proportional to 384,862.10, 531,108.36 and 215,096.22

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Solution

The fourth proportional to 384,862.10, 531,108.36 and 215,096.22 is: 296,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,862.10 : 531,108.36 = 215,096.22 : x
  2. Step 2: Convert to fraction form
    384,862.10/531,108.36 = 215,096.22/x
  3. Step 3: Cross multiply
    384,862.10x = 531,108.36 × 215,096.22
  4. Step 4: Simplify right side
    384,862.10x = 114,239,399,839.79
  5. Step 5: Solve for x
    x = 114,239,399,839.79/384,862.10
  6. Step 6: Final answer
    x = 296,832.04

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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.