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Finding the Fourth Proportional to 441,361.50, 609,088.59 and 240,157.50

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Solution

The fourth proportional to 441,361.50, 609,088.59 and 240,157.50 is: 331,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,361.50 : 609,088.59 = 240,157.50 : x
  2. Step 2: Convert to fraction form
    441,361.50/609,088.59 = 240,157.50/x
  3. Step 3: Cross multiply
    441,361.50x = 609,088.59 × 240,157.50
  4. Step 4: Simplify right side
    441,361.50x = 146,277,193,052.93
  5. Step 5: Solve for x
    x = 146,277,193,052.93/441,361.50
  6. Step 6: Final answer
    x = 331,422.64

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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.