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Finding the Fourth Proportional to 288,114.80, 431,653.80 and 246,642.80

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Solution

The fourth proportional to 288,114.80, 431,653.80 and 246,642.80 is: 369,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,114.80 : 431,653.80 = 246,642.80 : x
  2. Step 2: Convert to fraction form
    288,114.80/431,653.80 = 246,642.80/x
  3. Step 3: Cross multiply
    288,114.80x = 431,653.80 × 246,642.80
  4. Step 4: Simplify right side
    288,114.80x = 106,464,301,862.64
  5. Step 5: Solve for x
    x = 106,464,301,862.64/288,114.80
  6. Step 6: Final answer
    x = 369,520.42

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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.