Home / 209,527.22-288,946.50-140,772.02

Finding the Fourth Proportional to 209,527.22, 288,946.50 and 140,772.02

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Solution

The fourth proportional to 209,527.22, 288,946.50 and 140,772.02 is: 194,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,527.22 : 288,946.50 = 140,772.02 : x
  2. Step 2: Convert to fraction form
    209,527.22/288,946.50 = 140,772.02/x
  3. Step 3: Cross multiply
    209,527.22x = 288,946.50 × 140,772.02
  4. Step 4: Simplify right side
    209,527.22x = 40,675,582,476.93
  5. Step 5: Solve for x
    x = 40,675,582,476.93/209,527.22
  6. Step 6: Final answer
    x = 194,130.30

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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.