Home / 279,655.32-385,913.46-170,941.68

Finding the Fourth Proportional to 279,655.32, 385,913.46 and 170,941.68

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Solution

The fourth proportional to 279,655.32, 385,913.46 and 170,941.68 is: 235,892.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,655.32 : 385,913.46 = 170,941.68 : x
  2. Step 2: Convert to fraction form
    279,655.32/385,913.46 = 170,941.68/x
  3. Step 3: Cross multiply
    279,655.32x = 385,913.46 × 170,941.68
  4. Step 4: Simplify right side
    279,655.32x = 65,968,694,866.50
  5. Step 5: Solve for x
    x = 65,968,694,866.50/279,655.32
  6. Step 6: Final answer
    x = 235,892.86

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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.