Home / 421,808.41-582,095.65-230,821.82

Finding the Fourth Proportional to 421,808.41, 582,095.65 and 230,821.82

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Solution

The fourth proportional to 421,808.41, 582,095.65 and 230,821.82 is: 318,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,808.41 : 582,095.65 = 230,821.82 : x
  2. Step 2: Convert to fraction form
    421,808.41/582,095.65 = 230,821.82/x
  3. Step 3: Cross multiply
    421,808.41x = 582,095.65 × 230,821.82
  4. Step 4: Simplify right side
    421,808.41x = 134,360,374,436.61
  5. Step 5: Solve for x
    x = 134,360,374,436.61/421,808.41
  6. Step 6: Final answer
    x = 318,534.13

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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.