Home / 251,275.60-376,913.40-103,531.60

Finding the Fourth Proportional to 251,275.60, 376,913.40 and 103,531.60

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Solution

The fourth proportional to 251,275.60, 376,913.40 and 103,531.60 is: 155,297.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,275.60 : 376,913.40 = 103,531.60 : x
  2. Step 2: Convert to fraction form
    251,275.60/376,913.40 = 103,531.60/x
  3. Step 3: Cross multiply
    251,275.60x = 376,913.40 × 103,531.60
  4. Step 4: Simplify right side
    251,275.60x = 39,022,447,363.44
  5. Step 5: Solve for x
    x = 39,022,447,363.44/251,275.60
  6. Step 6: Final answer
    x = 155,297.40

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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.