Home / 352,492.14-528,738.20-213,136.50

Finding the Fourth Proportional to 352,492.14, 528,738.20 and 213,136.50

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Solution

The fourth proportional to 352,492.14, 528,738.20 and 213,136.50 is: 319,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,492.14 : 528,738.20 = 213,136.50 : x
  2. Step 2: Convert to fraction form
    352,492.14/528,738.20 = 213,136.50/x
  3. Step 3: Cross multiply
    352,492.14x = 528,738.20 × 213,136.50
  4. Step 4: Simplify right side
    352,492.14x = 112,693,409,364.30
  5. Step 5: Solve for x
    x = 112,693,409,364.30/352,492.14
  6. Step 6: Final answer
    x = 319,704.74

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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.