Home / 283,119.08-390,705.72-162,267.56

Finding the Fourth Proportional to 283,119.08, 390,705.72 and 162,267.56

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Solution

The fourth proportional to 283,119.08, 390,705.72 and 162,267.56 is: 223,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,119.08 : 390,705.72 = 162,267.56 : x
  2. Step 2: Convert to fraction form
    283,119.08/390,705.72 = 162,267.56/x
  3. Step 3: Cross multiply
    283,119.08x = 390,705.72 × 162,267.56
  4. Step 4: Simplify right side
    283,119.08x = 63,398,863,862.44
  5. Step 5: Solve for x
    x = 63,398,863,862.44/283,119.08
  6. Step 6: Final answer
    x = 223,930.03

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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.