Home / 315,072.20-472,176.30-202,406.60

Finding the Fourth Proportional to 315,072.20, 472,176.30 and 202,406.60

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Solution

The fourth proportional to 315,072.20, 472,176.30 and 202,406.60 is: 303,332.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,072.20 : 472,176.30 = 202,406.60 : x
  2. Step 2: Convert to fraction form
    315,072.20/472,176.30 = 202,406.60/x
  3. Step 3: Cross multiply
    315,072.20x = 472,176.30 × 202,406.60
  4. Step 4: Simplify right side
    315,072.20x = 95,571,599,483.58
  5. Step 5: Solve for x
    x = 95,571,599,483.58/315,072.20
  6. Step 6: Final answer
    x = 303,332.38

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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.