Home / 345,950.20-520,091.70-294,628.60

Finding the Fourth Proportional to 345,950.20, 520,091.70 and 294,628.60

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Solution

The fourth proportional to 345,950.20, 520,091.70 and 294,628.60 is: 442,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,950.20 : 520,091.70 = 294,628.60 : x
  2. Step 2: Convert to fraction form
    345,950.20/520,091.70 = 294,628.60/x
  3. Step 3: Cross multiply
    345,950.20x = 520,091.70 × 294,628.60
  4. Step 4: Simplify right side
    345,950.20x = 153,233,889,442.62
  5. Step 5: Solve for x
    x = 153,233,889,442.62/345,950.20
  6. Step 6: Final answer
    x = 442,936.26

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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.