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Finding the Fourth Proportional to 342,177.04, 472,214.76 and 191,280.40

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Solution

The fourth proportional to 342,177.04, 472,214.76 and 191,280.40 is: 263,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,177.04 : 472,214.76 = 191,280.40 : x
  2. Step 2: Convert to fraction form
    342,177.04/472,214.76 = 191,280.40/x
  3. Step 3: Cross multiply
    342,177.04x = 472,214.76 × 191,280.40
  4. Step 4: Simplify right side
    342,177.04x = 90,325,428,178.70
  5. Step 5: Solve for x
    x = 90,325,428,178.70/342,177.04
  6. Step 6: Final answer
    x = 263,972.79

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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.