Home / 447,929.53-618,143.60-243,979.82

Finding the Fourth Proportional to 447,929.53, 618,143.60 and 243,979.82

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Solution

The fourth proportional to 447,929.53, 618,143.60 and 243,979.82 is: 336,692.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,929.53 : 618,143.60 = 243,979.82 : x
  2. Step 2: Convert to fraction form
    447,929.53/618,143.60 = 243,979.82/x
  3. Step 3: Cross multiply
    447,929.53x = 618,143.60 × 243,979.82
  4. Step 4: Simplify right side
    447,929.53x = 150,814,564,262.15
  5. Step 5: Solve for x
    x = 150,814,564,262.15/447,929.53
  6. Step 6: Final answer
    x = 336,692.61

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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.