Home / 285,084.11-393,411.04-164,225.02

Finding the Fourth Proportional to 285,084.11, 393,411.04 and 164,225.02

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Solution

The fourth proportional to 285,084.11, 393,411.04 and 164,225.02 is: 226,627.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,084.11 : 393,411.04 = 164,225.02 : x
  2. Step 2: Convert to fraction form
    285,084.11/393,411.04 = 164,225.02/x
  3. Step 3: Cross multiply
    285,084.11x = 393,411.04 × 164,225.02
  4. Step 4: Simplify right side
    285,084.11x = 64,607,935,133.97
  5. Step 5: Solve for x
    x = 64,607,935,133.97/285,084.11
  6. Step 6: Final answer
    x = 226,627.63

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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.