Home / 421,845.84-582,145.92-230,860.80

Finding the Fourth Proportional to 421,845.84, 582,145.92 and 230,860.80

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Solution

The fourth proportional to 421,845.84, 582,145.92 and 230,860.80 is: 318,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,845.84 : 582,145.92 = 230,860.80 : x
  2. Step 2: Convert to fraction form
    421,845.84/582,145.92 = 230,860.80/x
  3. Step 3: Cross multiply
    421,845.84x = 582,145.92 × 230,860.80
  4. Step 4: Simplify right side
    421,845.84x = 134,394,672,807.94
  5. Step 5: Solve for x
    x = 134,394,672,807.94/421,845.84
  6. Step 6: Final answer
    x = 318,587.17

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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.