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Finding the Fourth Proportional to 236,275.71, 354,012.61 and 142,584.63

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Solution

The fourth proportional to 236,275.71, 354,012.61 and 142,584.63 is: 213,634.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,275.71 : 354,012.61 = 142,584.63 : x
  2. Step 2: Convert to fraction form
    236,275.71/354,012.61 = 142,584.63/x
  3. Step 3: Cross multiply
    236,275.71x = 354,012.61 × 142,584.63
  4. Step 4: Simplify right side
    236,275.71x = 50,476,757,012.18
  5. Step 5: Solve for x
    x = 50,476,757,012.18/236,275.71
  6. Step 6: Final answer
    x = 213,634.98

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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.