Home / 209,470.32-288,867.94-140,715.29

Finding the Fourth Proportional to 209,470.32, 288,867.94 and 140,715.29

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Solution

The fourth proportional to 209,470.32, 288,867.94 and 140,715.29 is: 194,052.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,470.32 : 288,867.94 = 140,715.29 : x
  2. Step 2: Convert to fraction form
    209,470.32/288,867.94 = 140,715.29/x
  3. Step 3: Cross multiply
    209,470.32x = 288,867.94 × 140,715.29
  4. Step 4: Simplify right side
    209,470.32x = 40,648,136,319.18
  5. Step 5: Solve for x
    x = 40,648,136,319.18/209,470.32
  6. Step 6: Final answer
    x = 194,052.01

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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.