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Finding the Fourth Proportional to 450,317.57, 621,442.82 and 246,364.02

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Solution

The fourth proportional to 450,317.57, 621,442.82 and 246,364.02 is: 339,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,317.57 : 621,442.82 = 246,364.02 : x
  2. Step 2: Convert to fraction form
    450,317.57/621,442.82 = 246,364.02/x
  3. Step 3: Cross multiply
    450,317.57x = 621,442.82 × 246,364.02
  4. Step 4: Simplify right side
    450,317.57x = 153,101,150,103.52
  5. Step 5: Solve for x
    x = 153,101,150,103.52/450,317.57
  6. Step 6: Final answer
    x = 339,984.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.