Home / 283,124.30-390,728.37-162,273.35

Finding the Fourth Proportional to 283,124.30, 390,728.37 and 162,273.35

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Solution

The fourth proportional to 283,124.30, 390,728.37 and 162,273.35 is: 223,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,124.30 : 390,728.37 = 162,273.35 : x
  2. Step 2: Convert to fraction form
    283,124.30/390,728.37 = 162,273.35/x
  3. Step 3: Cross multiply
    283,124.30x = 390,728.37 × 162,273.35
  4. Step 4: Simplify right side
    283,124.30x = 63,404,801,539.94
  5. Step 5: Solve for x
    x = 63,404,801,539.94/283,124.30
  6. Step 6: Final answer
    x = 223,946.87

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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.