Home / 291,825.32-402,626.30-230,376.69

Finding the Fourth Proportional to 291,825.32, 402,626.30 and 230,376.69

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Solution

The fourth proportional to 291,825.32, 402,626.30 and 230,376.69 is: 317,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,825.32 : 402,626.30 = 230,376.69 : x
  2. Step 2: Convert to fraction form
    291,825.32/402,626.30 = 230,376.69/x
  3. Step 3: Cross multiply
    291,825.32x = 402,626.30 × 230,376.69
  4. Step 4: Simplify right side
    291,825.32x = 92,755,713,149.06
  5. Step 5: Solve for x
    x = 92,755,713,149.06/291,825.32
  6. Step 6: Final answer
    x = 317,846.70

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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.