Home / 286,928.03-430,304.52-230,634.65

Finding the Fourth Proportional to 286,928.03, 430,304.52 and 230,634.65

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Solution

The fourth proportional to 286,928.03, 430,304.52 and 230,634.65 is: 345,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,928.03 : 430,304.52 = 230,634.65 : x
  2. Step 2: Convert to fraction form
    286,928.03/430,304.52 = 230,634.65/x
  3. Step 3: Cross multiply
    286,928.03x = 430,304.52 × 230,634.65
  4. Step 4: Simplify right side
    286,928.03x = 99,243,132,363.62
  5. Step 5: Solve for x
    x = 99,243,132,363.62/286,928.03
  6. Step 6: Final answer
    x = 345,881.62

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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.