Home / 421,864.55-582,174.06-230,890.24

Finding the Fourth Proportional to 421,864.55, 582,174.06 and 230,890.24

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Solution

The fourth proportional to 421,864.55, 582,174.06 and 230,890.24 is: 318,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,864.55 : 582,174.06 = 230,890.24 : x
  2. Step 2: Convert to fraction form
    421,864.55/582,174.06 = 230,890.24/x
  3. Step 3: Cross multiply
    421,864.55x = 582,174.06 × 230,890.24
  4. Step 4: Simplify right side
    421,864.55x = 134,418,306,979.74
  5. Step 5: Solve for x
    x = 134,418,306,979.74/421,864.55
  6. Step 6: Final answer
    x = 318,629.07

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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.