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Finding the Fourth Proportional to 400,884.74, 601,326.56 and 164,227.82

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Solution

The fourth proportional to 400,884.74, 601,326.56 and 164,227.82 is: 246,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,884.74 : 601,326.56 = 164,227.82 : x
  2. Step 2: Convert to fraction form
    400,884.74/601,326.56 = 164,227.82/x
  3. Step 3: Cross multiply
    400,884.74x = 601,326.56 × 164,227.82
  4. Step 4: Simplify right side
    400,884.74x = 98,754,550,056.90
  5. Step 5: Solve for x
    x = 98,754,550,056.90/400,884.74
  6. Step 6: Final answer
    x = 246,341.50

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1.5x scale

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.