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Finding the Fourth Proportional to 450,452.86, 621,624.78 and 246,503.77

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Solution

The fourth proportional to 450,452.86, 621,624.78 and 246,503.77 is: 340,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,452.86 : 621,624.78 = 246,503.77 : x
  2. Step 2: Convert to fraction form
    450,452.86/621,624.78 = 246,503.77/x
  3. Step 3: Cross multiply
    450,452.86x = 621,624.78 × 246,503.77
  4. Step 4: Simplify right side
    450,452.86x = 153,232,850,241.36
  5. Step 5: Solve for x
    x = 153,232,850,241.36/450,452.86
  6. Step 6: Final answer
    x = 340,175.11

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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.