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Finding the Fourth Proportional to 202,483.82, 279,430.63 and 117,600.89

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Solution

The fourth proportional to 202,483.82, 279,430.63 and 117,600.89 is: 162,290.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,483.82 : 279,430.63 = 117,600.89 : x
  2. Step 2: Convert to fraction form
    202,483.82/279,430.63 = 117,600.89/x
  3. Step 3: Cross multiply
    202,483.82x = 279,430.63 × 117,600.89
  4. Step 4: Simplify right side
    202,483.82x = 32,861,289,090.11
  5. Step 5: Solve for x
    x = 32,861,289,090.11/202,483.82
  6. Step 6: Final answer
    x = 162,290.94

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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.