Home / 260,851.90-391,569.45-201,948.70

Finding the Fourth Proportional to 260,851.90, 391,569.45 and 201,948.70

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Solution

The fourth proportional to 260,851.90, 391,569.45 and 201,948.70 is: 303,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,851.90 : 391,569.45 = 201,948.70 : x
  2. Step 2: Convert to fraction form
    260,851.90/391,569.45 = 201,948.70/x
  3. Step 3: Cross multiply
    260,851.90x = 391,569.45 × 201,948.70
  4. Step 4: Simplify right side
    260,851.90x = 79,076,941,387.22
  5. Step 5: Solve for x
    x = 79,076,941,387.22/260,851.90
  6. Step 6: Final answer
    x = 303,148.80

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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.