Home / 318,101.04-438,985.71-174,874.41

Finding the Fourth Proportional to 318,101.04, 438,985.71 and 174,874.41

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Solution

The fourth proportional to 318,101.04, 438,985.71 and 174,874.41 is: 241,330.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,101.04 : 438,985.71 = 174,874.41 : x
  2. Step 2: Convert to fraction form
    318,101.04/438,985.71 = 174,874.41/x
  3. Step 3: Cross multiply
    318,101.04x = 438,985.71 × 174,874.41
  4. Step 4: Simplify right side
    318,101.04x = 76,767,367,034.68
  5. Step 5: Solve for x
    x = 76,767,367,034.68/318,101.04
  6. Step 6: Final answer
    x = 241,330.14

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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.