Home / 238,912.40-358,329.36-89,113.52

Finding the Fourth Proportional to 238,912.40, 358,329.36 and 89,113.52

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Solution

The fourth proportional to 238,912.40, 358,329.36 and 89,113.52 is: 133,655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,912.40 : 358,329.36 = 89,113.52 : x
  2. Step 2: Convert to fraction form
    238,912.40/358,329.36 = 89,113.52/x
  3. Step 3: Cross multiply
    238,912.40x = 358,329.36 × 89,113.52
  4. Step 4: Simplify right side
    238,912.40x = 31,931,990,588.95
  5. Step 5: Solve for x
    x = 31,931,990,588.95/238,912.40
  6. Step 6: Final answer
    x = 133,655.64

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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.