Home / 347,420.12-521,150.83-134,189.64

Finding the Fourth Proportional to 347,420.12, 521,150.83 and 134,189.64

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Solution

The fourth proportional to 347,420.12, 521,150.83 and 134,189.64 is: 201,292.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,420.12 : 521,150.83 = 134,189.64 : x
  2. Step 2: Convert to fraction form
    347,420.12/521,150.83 = 134,189.64/x
  3. Step 3: Cross multiply
    347,420.12x = 521,150.83 × 134,189.64
  4. Step 4: Simplify right side
    347,420.12x = 69,933,041,927.93
  5. Step 5: Solve for x
    x = 69,933,041,927.93/347,420.12
  6. Step 6: Final answer
    x = 201,292.44

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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.