Home / 476,523.12-714,625.98-192,140.16

Finding the Fourth Proportional to 476,523.12, 714,625.98 and 192,140.16

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Solution

The fourth proportional to 476,523.12, 714,625.98 and 192,140.16 is: 288,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,523.12 : 714,625.98 = 192,140.16 : x
  2. Step 2: Convert to fraction form
    476,523.12/714,625.98 = 192,140.16/x
  3. Step 3: Cross multiply
    476,523.12x = 714,625.98 × 192,140.16
  4. Step 4: Simplify right side
    476,523.12x = 137,308,350,137.36
  5. Step 5: Solve for x
    x = 137,308,350,137.36/476,523.12
  6. Step 6: Final answer
    x = 288,146.25

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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.