Home / 315,210.20-472,383.30-202,544.60

Finding the Fourth Proportional to 315,210.20, 472,383.30 and 202,544.60

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Solution

The fourth proportional to 315,210.20, 472,383.30 and 202,544.60 is: 303,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,210.20 : 472,383.30 = 202,544.60 : x
  2. Step 2: Convert to fraction form
    315,210.20/472,383.30 = 202,544.60/x
  3. Step 3: Cross multiply
    315,210.20x = 472,383.30 × 202,544.60
  4. Step 4: Simplify right side
    315,210.20x = 95,678,686,545.18
  5. Step 5: Solve for x
    x = 95,678,686,545.18/315,210.20
  6. Step 6: Final answer
    x = 303,539.31

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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.