Home / 421,870.55-582,182.33-230,896.26

Finding the Fourth Proportional to 421,870.55, 582,182.33 and 230,896.26

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Solution

The fourth proportional to 421,870.55, 582,182.33 and 230,896.26 is: 318,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,870.55 : 582,182.33 = 230,896.26 : x
  2. Step 2: Convert to fraction form
    421,870.55/582,182.33 = 230,896.26/x
  3. Step 3: Cross multiply
    421,870.55x = 582,182.33 × 230,896.26
  4. Step 4: Simplify right side
    421,870.55x = 134,423,721,480.61
  5. Step 5: Solve for x
    x = 134,423,721,480.61/421,870.55
  6. Step 6: Final answer
    x = 318,637.37

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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.