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Finding the Fourth Proportional to 251,117.10, 376,675.65 and 248,492.70

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Solution

The fourth proportional to 251,117.10, 376,675.65 and 248,492.70 is: 372,739.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,117.10 : 376,675.65 = 248,492.70 : x
  2. Step 2: Convert to fraction form
    251,117.10/376,675.65 = 248,492.70/x
  3. Step 3: Cross multiply
    251,117.10x = 376,675.65 × 248,492.70
  4. Step 4: Simplify right side
    251,117.10x = 93,601,149,292.76
  5. Step 5: Solve for x
    x = 93,601,149,292.76/251,117.10
  6. Step 6: Final answer
    x = 372,739.05

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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.