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Finding the Fourth Proportional to 361,490.40, 542,235.60 and 303,753.60

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Solution

The fourth proportional to 361,490.40, 542,235.60 and 303,753.60 is: 455,630.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,490.40 : 542,235.60 = 303,753.60 : x
  2. Step 2: Convert to fraction form
    361,490.40/542,235.60 = 303,753.60/x
  3. Step 3: Cross multiply
    361,490.40x = 542,235.60 × 303,753.60
  4. Step 4: Simplify right side
    361,490.40x = 164,706,015,548.16
  5. Step 5: Solve for x
    x = 164,706,015,548.16/361,490.40
  6. Step 6: Final answer
    x = 455,630.40

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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.