Home / 352,914.36-529,137.50-128,248.10

Finding the Fourth Proportional to 352,914.36, 529,137.50 and 128,248.10

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Solution

The fourth proportional to 352,914.36, 529,137.50 and 128,248.10 is: 192,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,914.36 : 529,137.50 = 128,248.10 : x
  2. Step 2: Convert to fraction form
    352,914.36/529,137.50 = 128,248.10/x
  3. Step 3: Cross multiply
    352,914.36x = 529,137.50 × 128,248.10
  4. Step 4: Simplify right side
    352,914.36x = 67,860,880,176.28
  5. Step 5: Solve for x
    x = 67,860,880,176.28/352,914.36
  6. Step 6: Final answer
    x = 192,287.10

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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.