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Finding the Fourth Proportional to 440,015.94, 607,222.23 and 238,811.94

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Solution

The fourth proportional to 440,015.94, 607,222.23 and 238,811.94 is: 329,560.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,015.94 : 607,222.23 = 238,811.94 : x
  2. Step 2: Convert to fraction form
    440,015.94/607,222.23 = 238,811.94/x
  3. Step 3: Cross multiply
    440,015.94x = 607,222.23 × 238,811.94
  4. Step 4: Simplify right side
    440,015.94x = 145,011,918,757.43
  5. Step 5: Solve for x
    x = 145,011,918,757.43/440,015.94
  6. Step 6: Final answer
    x = 329,560.60

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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.