Home / 436,214.59-654,426.27-211,312.13

Finding the Fourth Proportional to 436,214.59, 654,426.27 and 211,312.13

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Solution

The fourth proportional to 436,214.59, 654,426.27 and 211,312.13 is: 317,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,214.59 : 654,426.27 = 211,312.13 : x
  2. Step 2: Convert to fraction form
    436,214.59/654,426.27 = 211,312.13/x
  3. Step 3: Cross multiply
    436,214.59x = 654,426.27 × 211,312.13
  4. Step 4: Simplify right side
    436,214.59x = 138,288,205,769.52
  5. Step 5: Solve for x
    x = 138,288,205,769.52/436,214.59
  6. Step 6: Final answer
    x = 317,018.76

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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.