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Finding the Fourth Proportional to 364,626.30, 545,984.72 and 293,169.18

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Solution

The fourth proportional to 364,626.30, 545,984.72 and 293,169.18 is: 438,986.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,626.30 : 545,984.72 = 293,169.18 : x
  2. Step 2: Convert to fraction form
    364,626.30/545,984.72 = 293,169.18/x
  3. Step 3: Cross multiply
    364,626.30x = 545,984.72 × 293,169.18
  4. Step 4: Simplify right side
    364,626.30x = 160,065,892,654.93
  5. Step 5: Solve for x
    x = 160,065,892,654.93/364,626.30
  6. Step 6: Final answer
    x = 438,986.14

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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.