Home / 200,444.40-276,636.60-115,564.50

Finding the Fourth Proportional to 200,444.40, 276,636.60 and 115,564.50

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Solution

The fourth proportional to 200,444.40, 276,636.60 and 115,564.50 is: 159,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,444.40 : 276,636.60 = 115,564.50 : x
  2. Step 2: Convert to fraction form
    200,444.40/276,636.60 = 115,564.50/x
  3. Step 3: Cross multiply
    200,444.40x = 276,636.60 × 115,564.50
  4. Step 4: Simplify right side
    200,444.40x = 31,969,370,360.70
  5. Step 5: Solve for x
    x = 31,969,370,360.70/200,444.40
  6. Step 6: Final answer
    x = 159,492.46

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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.