Home / 383,967.06-576,018.95-131,275.64

Finding the Fourth Proportional to 383,967.06, 576,018.95 and 131,275.64

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Solution

The fourth proportional to 383,967.06, 576,018.95 and 131,275.64 is: 196,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,967.06 : 576,018.95 = 131,275.64 : x
  2. Step 2: Convert to fraction form
    383,967.06/576,018.95 = 131,275.64/x
  3. Step 3: Cross multiply
    383,967.06x = 576,018.95 × 131,275.64
  4. Step 4: Simplify right side
    383,967.06x = 75,617,252,776.91
  5. Step 5: Solve for x
    x = 75,617,252,776.91/383,967.06
  6. Step 6: Final answer
    x = 196,936.82

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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.