Home / 310,077.90-427,902.05-174,112.92

Finding the Fourth Proportional to 310,077.90, 427,902.05 and 174,112.92

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Solution

The fourth proportional to 310,077.90, 427,902.05 and 174,112.92 is: 240,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,077.90 : 427,902.05 = 174,112.92 : x
  2. Step 2: Convert to fraction form
    310,077.90/427,902.05 = 174,112.92/x
  3. Step 3: Cross multiply
    310,077.90x = 427,902.05 × 174,112.92
  4. Step 4: Simplify right side
    310,077.90x = 74,503,275,399.49
  5. Step 5: Solve for x
    x = 74,503,275,399.49/310,077.90
  6. Step 6: Final answer
    x = 240,272.77

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1.5x scale

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.