Home / 288,444.01-397,794.16-240,205.66

Finding the Fourth Proportional to 288,444.01, 397,794.16 and 240,205.66

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Solution

The fourth proportional to 288,444.01, 397,794.16 and 240,205.66 is: 331,268.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,444.01 : 397,794.16 = 240,205.66 : x
  2. Step 2: Convert to fraction form
    288,444.01/397,794.16 = 240,205.66/x
  3. Step 3: Cross multiply
    288,444.01x = 397,794.16 × 240,205.66
  4. Step 4: Simplify right side
    288,444.01x = 95,552,409,310.57
  5. Step 5: Solve for x
    x = 95,552,409,310.57/288,444.01
  6. Step 6: Final answer
    x = 331,268.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.