Home / 283,148.30-390,700.05-162,266.33

Finding the Fourth Proportional to 283,148.30, 390,700.05 and 162,266.33

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Solution

The fourth proportional to 283,148.30, 390,700.05 and 162,266.33 is: 223,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,148.30 : 390,700.05 = 162,266.33 : x
  2. Step 2: Convert to fraction form
    283,148.30/390,700.05 = 162,266.33/x
  3. Step 3: Cross multiply
    283,148.30x = 390,700.05 × 162,266.33
  4. Step 4: Simplify right side
    283,148.30x = 63,397,463,244.32
  5. Step 5: Solve for x
    x = 63,397,463,244.32/283,148.30
  6. Step 6: Final answer
    x = 223,901.97

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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.