Home / 225,058.20-310,715.04-140,290.08

Finding the Fourth Proportional to 225,058.20, 310,715.04 and 140,290.08

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Solution

The fourth proportional to 225,058.20, 310,715.04 and 140,290.08 is: 193,684.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,058.20 : 310,715.04 = 140,290.08 : x
  2. Step 2: Convert to fraction form
    225,058.20/310,715.04 = 140,290.08/x
  3. Step 3: Cross multiply
    225,058.20x = 310,715.04 × 140,290.08
  4. Step 4: Simplify right side
    225,058.20x = 43,590,237,818.80
  5. Step 5: Solve for x
    x = 43,590,237,818.80/225,058.20
  6. Step 6: Final answer
    x = 193,684.29

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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.