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Finding the Fourth Proportional to 203,124.60, 304,500.31 and 69,973.21

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Solution

The fourth proportional to 203,124.60, 304,500.31 and 69,973.21 is: 104,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,124.60 : 304,500.31 = 69,973.21 : x
  2. Step 2: Convert to fraction form
    203,124.60/304,500.31 = 69,973.21/x
  3. Step 3: Cross multiply
    203,124.60x = 304,500.31 × 69,973.21
  4. Step 4: Simplify right side
    203,124.60x = 21,306,863,023.17
  5. Step 5: Solve for x
    x = 21,306,863,023.17/203,124.60
  6. Step 6: Final answer
    x = 104,895.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.