Home / 287,196.04-430,840.82-84,812.62

Finding the Fourth Proportional to 287,196.04, 430,840.82 and 84,812.62

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Solution

The fourth proportional to 287,196.04, 430,840.82 and 84,812.62 is: 127,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,196.04 : 430,840.82 = 84,812.62 : x
  2. Step 2: Convert to fraction form
    287,196.04/430,840.82 = 84,812.62/x
  3. Step 3: Cross multiply
    287,196.04x = 430,840.82 × 84,812.62
  4. Step 4: Simplify right side
    287,196.04x = 36,540,736,514.49
  5. Step 5: Solve for x
    x = 36,540,736,514.49/287,196.04
  6. Step 6: Final answer
    x = 127,232.73

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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.