Home / 238,236.48-328,766.70-130,813.37

Finding the Fourth Proportional to 238,236.48, 328,766.70 and 130,813.37

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Solution

The fourth proportional to 238,236.48, 328,766.70 and 130,813.37 is: 180,522.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,236.48 : 328,766.70 = 130,813.37 : x
  2. Step 2: Convert to fraction form
    238,236.48/328,766.70 = 130,813.37/x
  3. Step 3: Cross multiply
    238,236.48x = 328,766.70 × 130,813.37
  4. Step 4: Simplify right side
    238,236.48x = 43,007,078,326.95
  5. Step 5: Solve for x
    x = 43,007,078,326.95/238,236.48
  6. Step 6: Final answer
    x = 180,522.64

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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.