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Finding the Fourth Proportional to 199,319.60, 279,254.80 and 199,319.60

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Solution

The fourth proportional to 199,319.60, 279,254.80 and 199,319.60 is: 279,254.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,319.60 : 279,254.80 = 199,319.60 : x
  2. Step 2: Convert to fraction form
    199,319.60/279,254.80 = 199,319.60/x
  3. Step 3: Cross multiply
    199,319.60x = 279,254.80 × 199,319.60
  4. Step 4: Simplify right side
    199,319.60x = 55,660,955,034.08
  5. Step 5: Solve for x
    x = 55,660,955,034.08/199,319.60
  6. Step 6: Final answer
    x = 279,254.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.