Home / 421,816.98-582,088.77-230,838.42

Finding the Fourth Proportional to 421,816.98, 582,088.77 and 230,838.42

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Solution

The fourth proportional to 421,816.98, 582,088.77 and 230,838.42 is: 318,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,816.98 : 582,088.77 = 230,838.42 : x
  2. Step 2: Convert to fraction form
    421,816.98/582,088.77 = 230,838.42/x
  3. Step 3: Cross multiply
    421,816.98x = 582,088.77 × 230,838.42
  4. Step 4: Simplify right side
    421,816.98x = 134,368,451,966.54
  5. Step 5: Solve for x
    x = 134,368,451,966.54/421,816.98
  6. Step 6: Final answer
    x = 318,546.81

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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.