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Finding the Fourth Proportional to 264,002.80, 394,967.40 and 239,119.60

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Solution

The fourth proportional to 264,002.80, 394,967.40 and 239,119.60 is: 357,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,002.80 : 394,967.40 = 239,119.60 : x
  2. Step 2: Convert to fraction form
    264,002.80/394,967.40 = 239,119.60/x
  3. Step 3: Cross multiply
    264,002.80x = 394,967.40 × 239,119.60
  4. Step 4: Simplify right side
    264,002.80x = 94,444,446,701.04
  5. Step 5: Solve for x
    x = 94,444,446,701.04/264,002.80
  6. Step 6: Final answer
    x = 357,740.32

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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.