Home / 285,390.32-393,837.64-164,531.02

Finding the Fourth Proportional to 285,390.32, 393,837.64 and 164,531.02

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Solution

The fourth proportional to 285,390.32, 393,837.64 and 164,531.02 is: 227,052.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,390.32 : 393,837.64 = 164,531.02 : x
  2. Step 2: Convert to fraction form
    285,390.32/393,837.64 = 164,531.02/x
  3. Step 3: Cross multiply
    285,390.32x = 393,837.64 × 164,531.02
  4. Step 4: Simplify right side
    285,390.32x = 64,798,508,623.59
  5. Step 5: Solve for x
    x = 64,798,508,623.59/285,390.32
  6. Step 6: Final answer
    x = 227,052.23

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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.