Home / 448,108.15-618,381.43-244,160.76

Finding the Fourth Proportional to 448,108.15, 618,381.43 and 244,160.76

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Solution

The fourth proportional to 448,108.15, 618,381.43 and 244,160.76 is: 336,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,108.15 : 618,381.43 = 244,160.76 : x
  2. Step 2: Convert to fraction form
    448,108.15/618,381.43 = 244,160.76/x
  3. Step 3: Cross multiply
    448,108.15x = 618,381.43 × 244,160.76
  4. Step 4: Simplify right side
    448,108.15x = 150,984,479,918.69
  5. Step 5: Solve for x
    x = 150,984,479,918.69/448,108.15
  6. Step 6: Final answer
    x = 336,937.59

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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.