Home / 283,688.12-391,363.35-162,800.48

Finding the Fourth Proportional to 283,688.12, 391,363.35 and 162,800.48

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Solution

The fourth proportional to 283,688.12, 391,363.35 and 162,800.48 is: 224,592.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,688.12 : 391,363.35 = 162,800.48 : x
  2. Step 2: Convert to fraction form
    283,688.12/391,363.35 = 162,800.48/x
  3. Step 3: Cross multiply
    283,688.12x = 391,363.35 × 162,800.48
  4. Step 4: Simplify right side
    283,688.12x = 63,714,141,602.31
  5. Step 5: Solve for x
    x = 63,714,141,602.31/283,688.12
  6. Step 6: Final answer
    x = 224,592.21

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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.