Home / 288,194.85-432,292.28-199,621.35

Finding the Fourth Proportional to 288,194.85, 432,292.28 and 199,621.35

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Solution

The fourth proportional to 288,194.85, 432,292.28 and 199,621.35 is: 299,432.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,194.85 : 432,292.28 = 199,621.35 : x
  2. Step 2: Convert to fraction form
    288,194.85/432,292.28 = 199,621.35/x
  3. Step 3: Cross multiply
    288,194.85x = 432,292.28 × 199,621.35
  4. Step 4: Simplify right side
    288,194.85x = 86,294,767,530.07
  5. Step 5: Solve for x
    x = 86,294,767,530.07/288,194.85
  6. Step 6: Final answer
    x = 299,432.03

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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.