Home / 352,981.50-528,882.57-219,532.38

Finding the Fourth Proportional to 352,981.50, 528,882.57 and 219,532.38

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Solution

The fourth proportional to 352,981.50, 528,882.57 and 219,532.38 is: 328,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,981.50 : 528,882.57 = 219,532.38 : x
  2. Step 2: Convert to fraction form
    352,981.50/528,882.57 = 219,532.38/x
  3. Step 3: Cross multiply
    352,981.50x = 528,882.57 × 219,532.38
  4. Step 4: Simplify right side
    352,981.50x = 116,106,849,332.62
  5. Step 5: Solve for x
    x = 116,106,849,332.62/352,981.50
  6. Step 6: Final answer
    x = 328,931.83

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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.