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Finding the Fourth Proportional to 290,574.48, 401,003.10 and 163,247.52

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Solution

The fourth proportional to 290,574.48, 401,003.10 and 163,247.52 is: 225,287.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,574.48 : 401,003.10 = 163,247.52 : x
  2. Step 2: Convert to fraction form
    290,574.48/401,003.10 = 163,247.52/x
  3. Step 3: Cross multiply
    290,574.48x = 401,003.10 × 163,247.52
  4. Step 4: Simplify right side
    290,574.48x = 65,462,761,587.31
  5. Step 5: Solve for x
    x = 65,462,761,587.31/290,574.48
  6. Step 6: Final answer
    x = 225,287.37

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1.5x scale

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.