Home / 312,282.24-430,957.32-191,490.12

Finding the Fourth Proportional to 312,282.24, 430,957.32 and 191,490.12

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Solution

The fourth proportional to 312,282.24, 430,957.32 and 191,490.12 is: 264,261.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,282.24 : 430,957.32 = 191,490.12 : x
  2. Step 2: Convert to fraction form
    312,282.24/430,957.32 = 191,490.12/x
  3. Step 3: Cross multiply
    312,282.24x = 430,957.32 × 191,490.12
  4. Step 4: Simplify right side
    312,282.24x = 82,524,068,921.68
  5. Step 5: Solve for x
    x = 82,524,068,921.68/312,282.24
  6. Step 6: Final answer
    x = 264,261.17

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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.