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Finding the Fourth Proportional to 352,137.60, 528,206.40 and 331,401.60

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Solution

The fourth proportional to 352,137.60, 528,206.40 and 331,401.60 is: 497,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,137.60 : 528,206.40 = 331,401.60 : x
  2. Step 2: Convert to fraction form
    352,137.60/528,206.40 = 331,401.60/x
  3. Step 3: Cross multiply
    352,137.60x = 528,206.40 × 331,401.60
  4. Step 4: Simplify right side
    352,137.60x = 175,048,446,090.24
  5. Step 5: Solve for x
    x = 175,048,446,090.24/352,137.60
  6. Step 6: Final answer
    x = 497,102.40

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1.5x scale

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.