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Finding the Fourth Proportional to 260,653.65, 391,272.08 and 201,750.45

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Solution

The fourth proportional to 260,653.65, 391,272.08 and 201,750.45 is: 302,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,653.65 : 391,272.08 = 201,750.45 : x
  2. Step 2: Convert to fraction form
    260,653.65/391,272.08 = 201,750.45/x
  3. Step 3: Cross multiply
    260,653.65x = 391,272.08 × 201,750.45
  4. Step 4: Simplify right side
    260,653.65x = 78,939,317,203.68
  5. Step 5: Solve for x
    x = 78,939,317,203.68/260,653.65
  6. Step 6: Final answer
    x = 302,851.38

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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.