Home / 495,688.22-743,571.74-211,381.20

Finding the Fourth Proportional to 495,688.22, 743,571.74 and 211,381.20

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Solution

The fourth proportional to 495,688.22, 743,571.74 and 211,381.20 is: 317,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,688.22 : 743,571.74 = 211,381.20 : x
  2. Step 2: Convert to fraction form
    495,688.22/743,571.74 = 211,381.20/x
  3. Step 3: Cross multiply
    495,688.22x = 743,571.74 × 211,381.20
  4. Step 4: Simplify right side
    495,688.22x = 157,177,085,630.38
  5. Step 5: Solve for x
    x = 157,177,085,630.38/495,688.22
  6. Step 6: Final answer
    x = 317,088.60

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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.