Home / 238,438.27-328,907.95-148,858.75

Finding the Fourth Proportional to 238,438.27, 328,907.95 and 148,858.75

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Solution

The fourth proportional to 238,438.27, 328,907.95 and 148,858.75 is: 205,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,438.27 : 328,907.95 = 148,858.75 : x
  2. Step 2: Convert to fraction form
    238,438.27/328,907.95 = 148,858.75/x
  3. Step 3: Cross multiply
    238,438.27x = 328,907.95 × 148,858.75
  4. Step 4: Simplify right side
    238,438.27x = 48,960,826,302.06
  5. Step 5: Solve for x
    x = 48,960,826,302.06/238,438.27
  6. Step 6: Final answer
    x = 205,339.63

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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.