Home / 283,207.59-390,837.56-155,895.03

Finding the Fourth Proportional to 283,207.59, 390,837.56 and 155,895.03

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Solution

The fourth proportional to 283,207.59, 390,837.56 and 155,895.03 is: 215,141.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,207.59 : 390,837.56 = 155,895.03 : x
  2. Step 2: Convert to fraction form
    283,207.59/390,837.56 = 155,895.03/x
  3. Step 3: Cross multiply
    283,207.59x = 390,837.56 × 155,895.03
  4. Step 4: Simplify right side
    283,207.59x = 60,929,632,361.85
  5. Step 5: Solve for x
    x = 60,929,632,361.85/283,207.59
  6. Step 6: Final answer
    x = 215,141.24

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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.