Home / 289,255.32-433,135.35-199,574.55

Finding the Fourth Proportional to 289,255.32, 433,135.35 and 199,574.55

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Solution

The fourth proportional to 289,255.32, 433,135.35 and 199,574.55 is: 298,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,255.32 : 433,135.35 = 199,574.55 : x
  2. Step 2: Convert to fraction form
    289,255.32/433,135.35 = 199,574.55/x
  3. Step 3: Cross multiply
    289,255.32x = 433,135.35 × 199,574.55
  4. Step 4: Simplify right side
    289,255.32x = 86,442,792,565.34
  5. Step 5: Solve for x
    x = 86,442,792,565.34/289,255.32
  6. Step 6: Final answer
    x = 298,845.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.