Home / 420,074.73-629,904.74-183,314.97

Finding the Fourth Proportional to 420,074.73, 629,904.74 and 183,314.97

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Solution

The fourth proportional to 420,074.73, 629,904.74 and 183,314.97 is: 274,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,074.73 : 629,904.74 = 183,314.97 : x
  2. Step 2: Convert to fraction form
    420,074.73/629,904.74 = 183,314.97/x
  3. Step 3: Cross multiply
    420,074.73x = 629,904.74 × 183,314.97
  4. Step 4: Simplify right side
    420,074.73x = 115,470,967,599.38
  5. Step 5: Solve for x
    x = 115,470,967,599.38/420,074.73
  6. Step 6: Final answer
    x = 274,881.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.