Home / 285,468.30-393,988.19-164,585.93

Finding the Fourth Proportional to 285,468.30, 393,988.19 and 164,585.93

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Solution

The fourth proportional to 285,468.30, 393,988.19 and 164,585.93 is: 227,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,468.30 : 393,988.19 = 164,585.93 : x
  2. Step 2: Convert to fraction form
    285,468.30/393,988.19 = 164,585.93/x
  3. Step 3: Cross multiply
    285,468.30x = 393,988.19 × 164,585.93
  4. Step 4: Simplify right side
    285,468.30x = 64,844,909,867.30
  5. Step 5: Solve for x
    x = 64,844,909,867.30/285,468.30
  6. Step 6: Final answer
    x = 227,152.75

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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.