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Finding the Fourth Proportional to 268,581.92, 370,441.64 and 256,670.24

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Solution

The fourth proportional to 268,581.92, 370,441.64 and 256,670.24 is: 354,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,581.92 : 370,441.64 = 256,670.24 : x
  2. Step 2: Convert to fraction form
    268,581.92/370,441.64 = 256,670.24/x
  3. Step 3: Cross multiply
    268,581.92x = 370,441.64 × 256,670.24
  4. Step 4: Simplify right side
    268,581.92x = 95,081,344,644.79
  5. Step 5: Solve for x
    x = 95,081,344,644.79/268,581.92
  6. Step 6: Final answer
    x = 354,012.45

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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.