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Finding the Fourth Proportional to 235,501.59, 353,268.45 and 67,035.09

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Solution

The fourth proportional to 235,501.59, 353,268.45 and 67,035.09 is: 100,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,501.59 : 353,268.45 = 67,035.09 : x
  2. Step 2: Convert to fraction form
    235,501.59/353,268.45 = 67,035.09/x
  3. Step 3: Cross multiply
    235,501.59x = 353,268.45 × 67,035.09
  4. Step 4: Simplify right side
    235,501.59x = 23,681,382,339.91
  5. Step 5: Solve for x
    x = 23,681,382,339.91/235,501.59
  6. Step 6: Final answer
    x = 100,557.21

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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.