Home / 318,129.22-439,026.70-174,892.87

Finding the Fourth Proportional to 318,129.22, 439,026.70 and 174,892.87

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Solution

The fourth proportional to 318,129.22, 439,026.70 and 174,892.87 is: 241,356.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,129.22 : 439,026.70 = 174,892.87 : x
  2. Step 2: Convert to fraction form
    318,129.22/439,026.70 = 174,892.87/x
  3. Step 3: Cross multiply
    318,129.22x = 439,026.70 × 174,892.87
  4. Step 4: Simplify right side
    318,129.22x = 76,782,637,374.50
  5. Step 5: Solve for x
    x = 76,782,637,374.50/318,129.22
  6. Step 6: Final answer
    x = 241,356.76

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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.