Home / 218,867.24-302,041.40-123,373.91

Finding the Fourth Proportional to 218,867.24, 302,041.40 and 123,373.91

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Solution

The fourth proportional to 218,867.24, 302,041.40 and 123,373.91 is: 170,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,867.24 : 302,041.40 = 123,373.91 : x
  2. Step 2: Convert to fraction form
    218,867.24/302,041.40 = 123,373.91/x
  3. Step 3: Cross multiply
    218,867.24x = 302,041.40 × 123,373.91
  4. Step 4: Simplify right side
    218,867.24x = 37,264,026,372.80
  5. Step 5: Solve for x
    x = 37,264,026,372.80/218,867.24
  6. Step 6: Final answer
    x = 170,258.59

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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.