Home / 242,312.28-334,422.29-138,986.79

Finding the Fourth Proportional to 242,312.28, 334,422.29 and 138,986.79

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Solution

The fourth proportional to 242,312.28, 334,422.29 and 138,986.79 is: 191,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,312.28 : 334,422.29 = 138,986.79 : x
  2. Step 2: Convert to fraction form
    242,312.28/334,422.29 = 138,986.79/x
  3. Step 3: Cross multiply
    242,312.28x = 334,422.29 × 138,986.79
  4. Step 4: Simplify right side
    242,312.28x = 46,480,280,784.26
  5. Step 5: Solve for x
    x = 46,480,280,784.26/242,312.28
  6. Step 6: Final answer
    x = 191,819.75

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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.