Home / 214,734.59-321,460.36-130,238.63

Finding the Fourth Proportional to 214,734.59, 321,460.36 and 130,238.63

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Solution

The fourth proportional to 214,734.59, 321,460.36 and 130,238.63 is: 194,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,734.59 : 321,460.36 = 130,238.63 : x
  2. Step 2: Convert to fraction form
    214,734.59/321,460.36 = 130,238.63/x
  3. Step 3: Cross multiply
    214,734.59x = 321,460.36 × 130,238.63
  4. Step 4: Simplify right side
    214,734.59x = 41,866,554,952.81
  5. Step 5: Solve for x
    x = 41,866,554,952.81/214,734.59
  6. Step 6: Final answer
    x = 194,968.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.