Home / 434,265.40-651,244.50-206,534.20

Finding the Fourth Proportional to 434,265.40, 651,244.50 and 206,534.20

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Solution

The fourth proportional to 434,265.40, 651,244.50 and 206,534.20 is: 309,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,265.40 : 651,244.50 = 206,534.20 : x
  2. Step 2: Convert to fraction form
    434,265.40/651,244.50 = 206,534.20/x
  3. Step 3: Cross multiply
    434,265.40x = 651,244.50 × 206,534.20
  4. Step 4: Simplify right side
    434,265.40x = 134,504,261,811.90
  5. Step 5: Solve for x
    x = 134,504,261,811.90/434,265.40
  6. Step 6: Final answer
    x = 309,728.25

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1.5x scale

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.