Home / 330,165.08-454,811.64-281,608.82

Finding the Fourth Proportional to 330,165.08, 454,811.64 and 281,608.82

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Solution

The fourth proportional to 330,165.08, 454,811.64 and 281,608.82 is: 387,924.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,165.08 : 454,811.64 = 281,608.82 : x
  2. Step 2: Convert to fraction form
    330,165.08/454,811.64 = 281,608.82/x
  3. Step 3: Cross multiply
    330,165.08x = 454,811.64 × 281,608.82
  4. Step 4: Simplify right side
    330,165.08x = 128,078,966,988.61
  5. Step 5: Solve for x
    x = 128,078,966,988.61/330,165.08
  6. Step 6: Final answer
    x = 387,924.03

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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.