Home / 211,389.83-315,924.04-154,583.42

Finding the Fourth Proportional to 211,389.83, 315,924.04 and 154,583.42

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Solution

The fourth proportional to 211,389.83, 315,924.04 and 154,583.42 is: 231,026.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,389.83 : 315,924.04 = 154,583.42 : x
  2. Step 2: Convert to fraction form
    211,389.83/315,924.04 = 154,583.42/x
  3. Step 3: Cross multiply
    211,389.83x = 315,924.04 × 154,583.42
  4. Step 4: Simplify right side
    211,389.83x = 48,836,618,563.42
  5. Step 5: Solve for x
    x = 48,836,618,563.42/211,389.83
  6. Step 6: Final answer
    x = 231,026.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.