Home / 397,113.32-548,020.02-215,825.74

Finding the Fourth Proportional to 397,113.32, 548,020.02 and 215,825.74

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Solution

The fourth proportional to 397,113.32, 548,020.02 and 215,825.74 is: 297,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,113.32 : 548,020.02 = 215,825.74 : x
  2. Step 2: Convert to fraction form
    397,113.32/548,020.02 = 215,825.74/x
  3. Step 3: Cross multiply
    397,113.32x = 548,020.02 × 215,825.74
  4. Step 4: Simplify right side
    397,113.32x = 118,276,826,351.32
  5. Step 5: Solve for x
    x = 118,276,826,351.32/397,113.32
  6. Step 6: Final answer
    x = 297,841.50

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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.