Home / 238,016.40-328,465.98-130,584.48

Finding the Fourth Proportional to 238,016.40, 328,465.98 and 130,584.48

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Solution

The fourth proportional to 238,016.40, 328,465.98 and 130,584.48 is: 180,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,016.40 : 328,465.98 = 130,584.48 : x
  2. Step 2: Convert to fraction form
    238,016.40/328,465.98 = 130,584.48/x
  3. Step 3: Cross multiply
    238,016.40x = 328,465.98 × 130,584.48
  4. Step 4: Simplify right side
    238,016.40x = 42,892,559,195.99
  5. Step 5: Solve for x
    x = 42,892,559,195.99/238,016.40
  6. Step 6: Final answer
    x = 180,208.42

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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.