Home / 372,888.11-514,554.22-209,532.17

Finding the Fourth Proportional to 372,888.11, 514,554.22 and 209,532.17

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Solution

The fourth proportional to 372,888.11, 514,554.22 and 209,532.17 is: 289,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,888.11 : 514,554.22 = 209,532.17 : x
  2. Step 2: Convert to fraction form
    372,888.11/514,554.22 = 209,532.17/x
  3. Step 3: Cross multiply
    372,888.11x = 514,554.22 × 209,532.17
  4. Step 4: Simplify right side
    372,888.11x = 107,815,663,847.56
  5. Step 5: Solve for x
    x = 107,815,663,847.56/372,888.11
  6. Step 6: Final answer
    x = 289,136.77

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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.