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Finding the Fourth Proportional to 324,585.31, 448,052.74 and 290,533.72

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Solution

The fourth proportional to 324,585.31, 448,052.74 and 290,533.72 is: 401,048.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,585.31 : 448,052.74 = 290,533.72 : x
  2. Step 2: Convert to fraction form
    324,585.31/448,052.74 = 290,533.72/x
  3. Step 3: Cross multiply
    324,585.31x = 448,052.74 × 290,533.72
  4. Step 4: Simplify right side
    324,585.31x = 130,174,431,009.37
  5. Step 5: Solve for x
    x = 130,174,431,009.37/324,585.31
  6. Step 6: Final answer
    x = 401,048.43

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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.