Home / 283,124.79-390,729.06-162,273.86

Finding the Fourth Proportional to 283,124.79, 390,729.06 and 162,273.86

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Solution

The fourth proportional to 283,124.79, 390,729.06 and 162,273.86 is: 223,947.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,124.79 : 390,729.06 = 162,273.86 : x
  2. Step 2: Convert to fraction form
    283,124.79/390,729.06 = 162,273.86/x
  3. Step 3: Cross multiply
    283,124.79x = 390,729.06 × 162,273.86
  4. Step 4: Simplify right side
    283,124.79x = 63,405,110,826.73
  5. Step 5: Solve for x
    x = 63,405,110,826.73/283,124.79
  6. Step 6: Final answer
    x = 223,947.58

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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.