Home / 369,088.61-509,342.27-199,322.73

Finding the Fourth Proportional to 369,088.61, 509,342.27 and 199,322.73

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Solution

The fourth proportional to 369,088.61, 509,342.27 and 199,322.73 is: 275,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,088.61 : 509,342.27 = 199,322.73 : x
  2. Step 2: Convert to fraction form
    369,088.61/509,342.27 = 199,322.73/x
  3. Step 3: Cross multiply
    369,088.61x = 509,342.27 × 199,322.73
  4. Step 4: Simplify right side
    369,088.61x = 101,523,491,760.80
  5. Step 5: Solve for x
    x = 101,523,491,760.80/369,088.61
  6. Step 6: Final answer
    x = 275,065.36

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1.5x scale

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.