Home / 402,626.12-555,634.74-218,877.04

Finding the Fourth Proportional to 402,626.12, 555,634.74 and 218,877.04

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Solution

The fourth proportional to 402,626.12, 555,634.74 and 218,877.04 is: 302,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,626.12 : 555,634.74 = 218,877.04 : x
  2. Step 2: Convert to fraction form
    402,626.12/555,634.74 = 218,877.04/x
  3. Step 3: Cross multiply
    402,626.12x = 555,634.74 × 218,877.04
  4. Step 4: Simplify right side
    402,626.12x = 121,615,687,212.37
  5. Step 5: Solve for x
    x = 121,615,687,212.37/402,626.12
  6. Step 6: Final answer
    x = 302,056.13

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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.