Home / 447,931.94-618,140.79-243,982.22

Finding the Fourth Proportional to 447,931.94, 618,140.79 and 243,982.22

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Solution

The fourth proportional to 447,931.94, 618,140.79 and 243,982.22 is: 336,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,931.94 : 618,140.79 = 243,982.22 : x
  2. Step 2: Convert to fraction form
    447,931.94/618,140.79 = 243,982.22/x
  3. Step 3: Cross multiply
    447,931.94x = 618,140.79 × 243,982.22
  4. Step 4: Simplify right side
    447,931.94x = 150,815,359,126.05
  5. Step 5: Solve for x
    x = 150,815,359,126.05/447,931.94
  6. Step 6: Final answer
    x = 336,692.58

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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.