Home / 238,214.24-328,711.20-142,718.48

Finding the Fourth Proportional to 238,214.24, 328,711.20 and 142,718.48

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Solution

The fourth proportional to 238,214.24, 328,711.20 and 142,718.48 is: 196,936.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,214.24 : 328,711.20 = 142,718.48 : x
  2. Step 2: Convert to fraction form
    238,214.24/328,711.20 = 142,718.48/x
  3. Step 3: Cross multiply
    238,214.24x = 328,711.20 × 142,718.48
  4. Step 4: Simplify right side
    238,214.24x = 46,913,162,822.98
  5. Step 5: Solve for x
    x = 46,913,162,822.98/238,214.24
  6. Step 6: Final answer
    x = 196,936.85

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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.