Home / 280,941.33-387,627.08-166,214.55

Finding the Fourth Proportional to 280,941.33, 387,627.08 and 166,214.55

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Solution

The fourth proportional to 280,941.33, 387,627.08 and 166,214.55 is: 229,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,941.33 : 387,627.08 = 166,214.55 : x
  2. Step 2: Convert to fraction form
    280,941.33/387,627.08 = 166,214.55/x
  3. Step 3: Cross multiply
    280,941.33x = 387,627.08 × 166,214.55
  4. Step 4: Simplify right side
    280,941.33x = 64,429,259,838.94
  5. Step 5: Solve for x
    x = 64,429,259,838.94/280,941.33
  6. Step 6: Final answer
    x = 229,333.50

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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.