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Finding the Fourth Proportional to 202,030.98, 278,512.95 and 158,935.56

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Solution

The fourth proportional to 202,030.98, 278,512.95 and 158,935.56 is: 219,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,030.98 : 278,512.95 = 158,935.56 : x
  2. Step 2: Convert to fraction form
    202,030.98/278,512.95 = 158,935.56/x
  3. Step 3: Cross multiply
    202,030.98x = 278,512.95 × 158,935.56
  4. Step 4: Simplify right side
    202,030.98x = 44,265,611,675.50
  5. Step 5: Solve for x
    x = 44,265,611,675.50/202,030.98
  6. Step 6: Final answer
    x = 219,103.09

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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.