Home / 283,146.30-390,697.29-162,264.33

Finding the Fourth Proportional to 283,146.30, 390,697.29 and 162,264.33

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Solution

The fourth proportional to 283,146.30, 390,697.29 and 162,264.33 is: 223,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,146.30 : 390,697.29 = 162,264.33 : x
  2. Step 2: Convert to fraction form
    283,146.30/390,697.29 = 162,264.33/x
  3. Step 3: Cross multiply
    283,146.30x = 390,697.29 × 162,264.33
  4. Step 4: Simplify right side
    283,146.30x = 63,396,233,994.67
  5. Step 5: Solve for x
    x = 63,396,233,994.67/283,146.30
  6. Step 6: Final answer
    x = 223,899.21

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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.