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Finding the Fourth Proportional to 601,315.92, 901,942.20 and 201,964.86

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Solution

The fourth proportional to 601,315.92, 901,942.20 and 201,964.86 is: 302,936.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,315.92 : 901,942.20 = 201,964.86 : x
  2. Step 2: Convert to fraction form
    601,315.92/901,942.20 = 201,964.86/x
  3. Step 3: Cross multiply
    601,315.92x = 901,942.20 × 201,964.86
  4. Step 4: Simplify right side
    601,315.92x = 182,160,630,151.09
  5. Step 5: Solve for x
    x = 182,160,630,151.09/601,315.92
  6. Step 6: Final answer
    x = 302,936.65

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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.