Home / 340,387.41-510,656.98-103,748.55

Finding the Fourth Proportional to 340,387.41, 510,656.98 and 103,748.55

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Solution

The fourth proportional to 340,387.41, 510,656.98 and 103,748.55 is: 155,645.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,387.41 : 510,656.98 = 103,748.55 : x
  2. Step 2: Convert to fraction form
    340,387.41/510,656.98 = 103,748.55/x
  3. Step 3: Cross multiply
    340,387.41x = 510,656.98 × 103,748.55
  4. Step 4: Simplify right side
    340,387.41x = 52,979,919,534.37
  5. Step 5: Solve for x
    x = 52,979,919,534.37/340,387.41
  6. Step 6: Final answer
    x = 155,645.94

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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.