Home / 211,389.33-315,923.30-154,582.92

Finding the Fourth Proportional to 211,389.33, 315,923.30 and 154,582.92

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Solution

The fourth proportional to 211,389.33, 315,923.30 and 154,582.92 is: 231,025.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,389.33 : 315,923.30 = 154,582.92 : x
  2. Step 2: Convert to fraction form
    211,389.33/315,923.30 = 154,582.92/x
  3. Step 3: Cross multiply
    211,389.33x = 315,923.30 × 154,582.92
  4. Step 4: Simplify right side
    211,389.33x = 48,836,343,857.50
  5. Step 5: Solve for x
    x = 48,836,343,857.50/211,389.33
  6. Step 6: Final answer
    x = 231,025.59

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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.