Home / 450,142.90-621,188.42-246,193.16

Finding the Fourth Proportional to 450,142.90, 621,188.42 and 246,193.16

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Solution

The fourth proportional to 450,142.90, 621,188.42 and 246,193.16 is: 339,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,142.90 : 621,188.42 = 246,193.16 : x
  2. Step 2: Convert to fraction form
    450,142.90/621,188.42 = 246,193.16/x
  3. Step 3: Cross multiply
    450,142.90x = 621,188.42 × 246,193.16
  4. Step 4: Simplify right side
    450,142.90x = 152,932,335,738.30
  5. Step 5: Solve for x
    x = 152,932,335,738.30/450,142.90
  6. Step 6: Final answer
    x = 339,741.75

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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.