Home / 326,619.40-450,784.02-199,368.76

Finding the Fourth Proportional to 326,619.40, 450,784.02 and 199,368.76

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Solution

The fourth proportional to 326,619.40, 450,784.02 and 199,368.76 is: 275,158.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619.40 : 450,784.02 = 199,368.76 : x
  2. Step 2: Convert to fraction form
    326,619.40/450,784.02 = 199,368.76/x
  3. Step 3: Cross multiply
    326,619.40x = 450,784.02 × 199,368.76
  4. Step 4: Simplify right side
    326,619.40x = 89,872,251,095.22
  5. Step 5: Solve for x
    x = 89,872,251,095.22/326,619.40
  6. Step 6: Final answer
    x = 275,158.95

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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.