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Finding the Fourth Proportional to 329,075.06, 493,612.60 and 79,757.06

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Solution

The fourth proportional to 329,075.06, 493,612.60 and 79,757.06 is: 119,635.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,075.06 : 493,612.60 = 79,757.06 : x
  2. Step 2: Convert to fraction form
    329,075.06/493,612.60 = 79,757.06/x
  3. Step 3: Cross multiply
    329,075.06x = 493,612.60 × 79,757.06
  4. Step 4: Simplify right side
    329,075.06x = 39,369,090,789.59
  5. Step 5: Solve for x
    x = 39,369,090,789.59/329,075.06
  6. Step 6: Final answer
    x = 119,635.59

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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.