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Finding the Fourth Proportional to 353,133.40, 529,700.10 and 329,632.60

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Solution

The fourth proportional to 353,133.40, 529,700.10 and 329,632.60 is: 494,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,133.40 : 529,700.10 = 329,632.60 : x
  2. Step 2: Convert to fraction form
    353,133.40/529,700.10 = 329,632.60/x
  3. Step 3: Cross multiply
    353,133.40x = 529,700.10 × 329,632.60
  4. Step 4: Simplify right side
    353,133.40x = 174,606,421,183.26
  5. Step 5: Solve for x
    x = 174,606,421,183.26/353,133.40
  6. Step 6: Final answer
    x = 494,448.90

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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.