Home / 218,884.28-302,056.25-123,391.04

Finding the Fourth Proportional to 218,884.28, 302,056.25 and 123,391.04

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Solution

The fourth proportional to 218,884.28, 302,056.25 and 123,391.04 is: 170,277.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,884.28 : 302,056.25 = 123,391.04 : x
  2. Step 2: Convert to fraction form
    218,884.28/302,056.25 = 123,391.04/x
  3. Step 3: Cross multiply
    218,884.28x = 302,056.25 × 123,391.04
  4. Step 4: Simplify right side
    218,884.28x = 37,271,032,698.76
  5. Step 5: Solve for x
    x = 37,271,032,698.76/218,884.28
  6. Step 6: Final answer
    x = 170,277.34

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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.