Home / 283,128.30-390,733.90-162,277.36

Finding the Fourth Proportional to 283,128.30, 390,733.90 and 162,277.36

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Solution

The fourth proportional to 283,128.30, 390,733.90 and 162,277.36 is: 223,952.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,128.30 : 390,733.90 = 162,277.36 : x
  2. Step 2: Convert to fraction form
    283,128.30/390,733.90 = 162,277.36/x
  3. Step 3: Cross multiply
    283,128.30x = 390,733.90 × 162,277.36
  4. Step 4: Simplify right side
    283,128.30x = 63,407,265,754.50
  5. Step 5: Solve for x
    x = 63,407,265,754.50/283,128.30
  6. Step 6: Final answer
    x = 223,952.41

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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.