Home / 285,423.40-393,883.32-164,564.02

Finding the Fourth Proportional to 285,423.40, 393,883.32 and 164,564.02

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Solution

The fourth proportional to 285,423.40, 393,883.32 and 164,564.02 is: 227,097.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,423.40 : 393,883.32 = 164,564.02 : x
  2. Step 2: Convert to fraction form
    285,423.40/393,883.32 = 164,564.02/x
  3. Step 3: Cross multiply
    285,423.40x = 393,883.32 × 164,564.02
  4. Step 4: Simplify right side
    285,423.40x = 64,819,022,550.15
  5. Step 5: Solve for x
    x = 64,819,022,550.15/285,423.40
  6. Step 6: Final answer
    x = 227,097.79

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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.