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Finding the Fourth Proportional to 247,898.88, 341,642.88 and 207,619.20

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Solution

The fourth proportional to 247,898.88, 341,642.88 and 207,619.20 is: 286,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,898.88 : 341,642.88 = 207,619.20 : x
  2. Step 2: Convert to fraction form
    247,898.88/341,642.88 = 207,619.20/x
  3. Step 3: Cross multiply
    247,898.88x = 341,642.88 × 207,619.20
  4. Step 4: Simplify right side
    247,898.88x = 70,931,621,431.30
  5. Step 5: Solve for x
    x = 70,931,621,431.30/247,898.88
  6. Step 6: Final answer
    x = 286,131.27

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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.