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Finding the Fourth Proportional to 269,323.08, 403,983.94 and 79,798.20

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Solution

The fourth proportional to 269,323.08, 403,983.94 and 79,798.20 is: 119,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,323.08 : 403,983.94 = 79,798.20 : x
  2. Step 2: Convert to fraction form
    269,323.08/403,983.94 = 79,798.20/x
  3. Step 3: Cross multiply
    269,323.08x = 403,983.94 × 79,798.20
  4. Step 4: Simplify right side
    269,323.08x = 32,237,191,240.91
  5. Step 5: Solve for x
    x = 32,237,191,240.91/269,323.08
  6. Step 6: Final answer
    x = 119,697.10

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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.