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Finding the Fourth Proportional to 350,197.70, 525,296.55 and 100,904.90

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Solution

The fourth proportional to 350,197.70, 525,296.55 and 100,904.90 is: 151,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,197.70 : 525,296.55 = 100,904.90 : x
  2. Step 2: Convert to fraction form
    350,197.70/525,296.55 = 100,904.90/x
  3. Step 3: Cross multiply
    350,197.70x = 525,296.55 × 100,904.90
  4. Step 4: Simplify right side
    350,197.70x = 53,004,995,848.10
  5. Step 5: Solve for x
    x = 53,004,995,848.10/350,197.70
  6. Step 6: Final answer
    x = 151,357.35

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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.