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Finding the Fourth Proportional to 308,750.40, 426,159.36 and 181,466.88

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Solution

The fourth proportional to 308,750.40, 426,159.36 and 181,466.88 is: 250,473.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,750.40 : 426,159.36 = 181,466.88 : x
  2. Step 2: Convert to fraction form
    308,750.40/426,159.36 = 181,466.88/x
  3. Step 3: Cross multiply
    308,750.40x = 426,159.36 × 181,466.88
  4. Step 4: Simplify right side
    308,750.40x = 77,333,809,442.00
  5. Step 5: Solve for x
    x = 77,333,809,442.00/308,750.40
  6. Step 6: Final answer
    x = 250,473.55

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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.