Home / 310,905.40-429,044.76-174,939.52

Finding the Fourth Proportional to 310,905.40, 429,044.76 and 174,939.52

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Solution

The fourth proportional to 310,905.40, 429,044.76 and 174,939.52 is: 241,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,905.40 : 429,044.76 = 174,939.52 : x
  2. Step 2: Convert to fraction form
    310,905.40/429,044.76 = 174,939.52/x
  3. Step 3: Cross multiply
    310,905.40x = 429,044.76 × 174,939.52
  4. Step 4: Simplify right side
    310,905.40x = 75,056,884,372.92
  5. Step 5: Solve for x
    x = 75,056,884,372.92/310,905.40
  6. Step 6: Final answer
    x = 241,413.90

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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.