Home / 253,938.43-349,637.07-215,617.33

Finding the Fourth Proportional to 253,938.43, 349,637.07 and 215,617.33

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Solution

The fourth proportional to 253,938.43, 349,637.07 and 215,617.33 is: 296,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,938.43 : 349,637.07 = 215,617.33 : x
  2. Step 2: Convert to fraction form
    253,938.43/349,637.07 = 215,617.33/x
  3. Step 3: Cross multiply
    253,938.43x = 349,637.07 × 215,617.33
  4. Step 4: Simplify right side
    253,938.43x = 75,387,811,502.42
  5. Step 5: Solve for x
    x = 75,387,811,502.42/253,938.43
  6. Step 6: Final answer
    x = 296,874.37

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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.