Home / 421,935.64-582,271.92-230,961.16

Finding the Fourth Proportional to 421,935.64, 582,271.92 and 230,961.16

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Solution

The fourth proportional to 421,935.64, 582,271.92 and 230,961.16 is: 318,726.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,935.64 : 582,271.92 = 230,961.16 : x
  2. Step 2: Convert to fraction form
    421,935.64/582,271.92 = 230,961.16/x
  3. Step 3: Cross multiply
    421,935.64x = 582,271.92 × 230,961.16
  4. Step 4: Simplify right side
    421,935.64x = 134,482,198,078.63
  5. Step 5: Solve for x
    x = 134,482,198,078.63/421,935.64
  6. Step 6: Final answer
    x = 318,726.80

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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.