Home / 330,002.10-494,128.35-260,018.10

Finding the Fourth Proportional to 330,002.10, 494,128.35 and 260,018.10

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Solution

The fourth proportional to 330,002.10, 494,128.35 and 260,018.10 is: 389,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,002.10 : 494,128.35 = 260,018.10 : x
  2. Step 2: Convert to fraction form
    330,002.10/494,128.35 = 260,018.10/x
  3. Step 3: Cross multiply
    330,002.10x = 494,128.35 × 260,018.10
  4. Step 4: Simplify right side
    330,002.10x = 128,482,314,723.14
  5. Step 5: Solve for x
    x = 128,482,314,723.14/330,002.10
  6. Step 6: Final answer
    x = 389,337.87

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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.