Home / 283,020.03-390,570.89-162,158.90

Finding the Fourth Proportional to 283,020.03, 390,570.89 and 162,158.90

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Solution

The fourth proportional to 283,020.03, 390,570.89 and 162,158.90 is: 223,781.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,020.03 : 390,570.89 = 162,158.90 : x
  2. Step 2: Convert to fraction form
    283,020.03/390,570.89 = 162,158.90/x
  3. Step 3: Cross multiply
    283,020.03x = 390,570.89 × 162,158.90
  4. Step 4: Simplify right side
    283,020.03x = 63,334,543,130.77
  5. Step 5: Solve for x
    x = 63,334,543,130.77/283,020.03
  6. Step 6: Final answer
    x = 223,781.13

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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.