Home / 537,975.20-806,962.80-143,991.20

Finding the Fourth Proportional to 537,975.20, 806,962.80 and 143,991.20

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Solution

The fourth proportional to 537,975.20, 806,962.80 and 143,991.20 is: 215,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,975.20 : 806,962.80 = 143,991.20 : x
  2. Step 2: Convert to fraction form
    537,975.20/806,962.80 = 143,991.20/x
  3. Step 3: Cross multiply
    537,975.20x = 806,962.80 × 143,991.20
  4. Step 4: Simplify right side
    537,975.20x = 116,195,541,927.36
  5. Step 5: Solve for x
    x = 116,195,541,927.36/537,975.20
  6. Step 6: Final answer
    x = 215,986.80

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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.