Home / 379,061.88-523,095.39-209,292.36

Finding the Fourth Proportional to 379,061.88, 523,095.39 and 209,292.36

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Solution

The fourth proportional to 379,061.88, 523,095.39 and 209,292.36 is: 288,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,061.88 : 523,095.39 = 209,292.36 : x
  2. Step 2: Convert to fraction form
    379,061.88/523,095.39 = 209,292.36/x
  3. Step 3: Cross multiply
    379,061.88x = 523,095.39 × 209,292.36
  4. Step 4: Simplify right side
    379,061.88x = 109,479,868,678.22
  5. Step 5: Solve for x
    x = 109,479,868,678.22/379,061.88
  6. Step 6: Final answer
    x = 288,817.93

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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.