Home / 283,124.20-390,701.46-155,796.52

Finding the Fourth Proportional to 283,124.20, 390,701.46 and 155,796.52

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Solution

The fourth proportional to 283,124.20, 390,701.46 and 155,796.52 is: 214,993.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,124.20 : 390,701.46 = 155,796.52 : x
  2. Step 2: Convert to fraction form
    283,124.20/390,701.46 = 155,796.52/x
  3. Step 3: Cross multiply
    283,124.20x = 390,701.46 × 155,796.52
  4. Step 4: Simplify right side
    283,124.20x = 60,869,927,826.92
  5. Step 5: Solve for x
    x = 60,869,927,826.92/283,124.20
  6. Step 6: Final answer
    x = 214,993.73

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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.