Home / 318,076.12-438,945.18-174,835

Finding the Fourth Proportional to 318,076.12, 438,945.18 and 174,835

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Solution

The fourth proportional to 318,076.12, 438,945.18 and 174,835 is: 241,272.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,076.12 : 438,945.18 = 174,835 : x
  2. Step 2: Convert to fraction form
    318,076.12/438,945.18 = 174,835/x
  3. Step 3: Cross multiply
    318,076.12x = 438,945.18 × 174,835
  4. Step 4: Simplify right side
    318,076.12x = 76,742,980,545.30
  5. Step 5: Solve for x
    x = 76,742,980,545.30/318,076.12
  6. Step 6: Final answer
    x = 241,272.37

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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.