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Finding the Fourth Proportional to 352,243, 486,095.34 and 201,343.24

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Solution

The fourth proportional to 352,243, 486,095.34 and 201,343.24 is: 277,853.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,243 : 486,095.34 = 201,343.24 : x
  2. Step 2: Convert to fraction form
    352,243/486,095.34 = 201,343.24/x
  3. Step 3: Cross multiply
    352,243x = 486,095.34 × 201,343.24
  4. Step 4: Simplify right side
    352,243x = 97,872,010,704.50
  5. Step 5: Solve for x
    x = 97,872,010,704.50/352,243
  6. Step 6: Final answer
    x = 277,853.67

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1.5x scale

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.