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Finding the Fourth Proportional to 350,100.20, 525,150.30 and 342,324.20

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Solution

The fourth proportional to 350,100.20, 525,150.30 and 342,324.20 is: 513,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,100.20 : 525,150.30 = 342,324.20 : x
  2. Step 2: Convert to fraction form
    350,100.20/525,150.30 = 342,324.20/x
  3. Step 3: Cross multiply
    350,100.20x = 525,150.30 × 342,324.20
  4. Step 4: Simplify right side
    350,100.20x = 179,771,656,327.26
  5. Step 5: Solve for x
    x = 179,771,656,327.26/350,100.20
  6. Step 6: Final answer
    x = 513,486.30

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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.