Home / 360,827.60-497,929.80-199,689.44

Finding the Fourth Proportional to 360,827.60, 497,929.80 and 199,689.44

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Solution

The fourth proportional to 360,827.60, 497,929.80 and 199,689.44 is: 275,564.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,827.60 : 497,929.80 = 199,689.44 : x
  2. Step 2: Convert to fraction form
    360,827.60/497,929.80 = 199,689.44/x
  3. Step 3: Cross multiply
    360,827.60x = 497,929.80 × 199,689.44
  4. Step 4: Simplify right side
    360,827.60x = 99,431,322,921.31
  5. Step 5: Solve for x
    x = 99,431,322,921.31/360,827.60
  6. Step 6: Final answer
    x = 275,564.63

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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.