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Finding the Fourth Proportional to 290,574.98, 401,003.79 and 163,248.02

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Solution

The fourth proportional to 290,574.98, 401,003.79 and 163,248.02 is: 225,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,574.98 : 401,003.79 = 163,248.02 : x
  2. Step 2: Convert to fraction form
    290,574.98/401,003.79 = 163,248.02/x
  3. Step 3: Cross multiply
    290,574.98x = 401,003.79 × 163,248.02
  4. Step 4: Simplify right side
    290,574.98x = 65,463,074,730.00
  5. Step 5: Solve for x
    x = 65,463,074,730.00/290,574.98
  6. Step 6: Final answer
    x = 225,288.06

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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.