Home / 421,810.03-582,097.89-230,823.46

Finding the Fourth Proportional to 421,810.03, 582,097.89 and 230,823.46

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Solution

The fourth proportional to 421,810.03, 582,097.89 and 230,823.46 is: 318,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,810.03 : 582,097.89 = 230,823.46 : x
  2. Step 2: Convert to fraction form
    421,810.03/582,097.89 = 230,823.46/x
  3. Step 3: Cross multiply
    421,810.03x = 582,097.89 × 230,823.46
  4. Step 4: Simplify right side
    421,810.03x = 134,361,849,028.50
  5. Step 5: Solve for x
    x = 134,361,849,028.50/421,810.03
  6. Step 6: Final answer
    x = 318,536.40

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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.