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Finding the Fourth Proportional to 165,290.76, 228,101.24 and 98,222.76

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Solution

The fourth proportional to 165,290.76, 228,101.24 and 98,222.76 is: 135,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,290.76 : 228,101.24 = 98,222.76 : x
  2. Step 2: Convert to fraction form
    165,290.76/228,101.24 = 98,222.76/x
  3. Step 3: Cross multiply
    165,290.76x = 228,101.24 × 98,222.76
  4. Step 4: Simplify right side
    165,290.76x = 22,404,733,352.22
  5. Step 5: Solve for x
    x = 22,404,733,352.22/165,290.76
  6. Step 6: Final answer
    x = 135,547.40

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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.