Home / 236,022.40-353,803.20-211,139.20

Finding the Fourth Proportional to 236,022.40, 353,803.20 and 211,139.20

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Solution

The fourth proportional to 236,022.40, 353,803.20 and 211,139.20 is: 316,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,022.40 : 353,803.20 = 211,139.20 : x
  2. Step 2: Convert to fraction form
    236,022.40/353,803.20 = 211,139.20/x
  3. Step 3: Cross multiply
    236,022.40x = 353,803.20 × 211,139.20
  4. Step 4: Simplify right side
    236,022.40x = 74,701,724,605.44
  5. Step 5: Solve for x
    x = 74,701,724,605.44/236,022.40
  6. Step 6: Final answer
    x = 316,502.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.