Home / 397,336.15-548,319.90-216,048.13

Finding the Fourth Proportional to 397,336.15, 548,319.90 and 216,048.13

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Solution

The fourth proportional to 397,336.15, 548,319.90 and 216,048.13 is: 298,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,336.15 : 548,319.90 = 216,048.13 : x
  2. Step 2: Convert to fraction form
    397,336.15/548,319.90 = 216,048.13/x
  3. Step 3: Cross multiply
    397,336.15x = 548,319.90 × 216,048.13
  4. Step 4: Simplify right side
    397,336.15x = 118,463,487,260.90
  5. Step 5: Solve for x
    x = 118,463,487,260.90/397,336.15
  6. Step 6: Final answer
    x = 298,144.25

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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.