Home / 283,020.26-390,577.65-155,701.22

Finding the Fourth Proportional to 283,020.26, 390,577.65 and 155,701.22

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Solution

The fourth proportional to 283,020.26, 390,577.65 and 155,701.22 is: 214,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,020.26 : 390,577.65 = 155,701.22 : x
  2. Step 2: Convert to fraction form
    283,020.26/390,577.65 = 155,701.22/x
  3. Step 3: Cross multiply
    283,020.26x = 390,577.65 × 155,701.22
  4. Step 4: Simplify right side
    283,020.26x = 60,813,416,609.73
  5. Step 5: Solve for x
    x = 60,813,416,609.73/283,020.26
  6. Step 6: Final answer
    x = 214,873.02

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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.