Home / 290,704.04-401,294.60-272,544.65

Finding the Fourth Proportional to 290,704.04, 401,294.60 and 272,544.65

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Solution

The fourth proportional to 290,704.04, 401,294.60 and 272,544.65 is: 376,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,704.04 : 401,294.60 = 272,544.65 : x
  2. Step 2: Convert to fraction form
    290,704.04/401,294.60 = 272,544.65/x
  3. Step 3: Cross multiply
    290,704.04x = 401,294.60 × 272,544.65
  4. Step 4: Simplify right side
    290,704.04x = 109,370,696,994.66
  5. Step 5: Solve for x
    x = 109,370,696,994.66/290,704.04
  6. Step 6: Final answer
    x = 376,226.96

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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.