Home / 397,218.93-548,173.47-242,179.17

Finding the Fourth Proportional to 397,218.93, 548,173.47 and 242,179.17

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Solution

The fourth proportional to 397,218.93, 548,173.47 and 242,179.17 is: 334,214.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,218.93 : 548,173.47 = 242,179.17 : x
  2. Step 2: Convert to fraction form
    397,218.93/548,173.47 = 242,179.17/x
  3. Step 3: Cross multiply
    397,218.93x = 548,173.47 × 242,179.17
  4. Step 4: Simplify right side
    397,218.93x = 132,756,195,980.62
  5. Step 5: Solve for x
    x = 132,756,195,980.62/397,218.93
  6. Step 6: Final answer
    x = 334,214.17

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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.