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Finding the Fourth Proportional to 365,534.31, 548,308.98 and 112,814.97

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Solution

The fourth proportional to 365,534.31, 548,308.98 and 112,814.97 is: 169,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,534.31 : 548,308.98 = 112,814.97 : x
  2. Step 2: Convert to fraction form
    365,534.31/548,308.98 = 112,814.97/x
  3. Step 3: Cross multiply
    365,534.31x = 548,308.98 × 112,814.97
  4. Step 4: Simplify right side
    365,534.31x = 61,857,461,129.43
  5. Step 5: Solve for x
    x = 61,857,461,129.43/365,534.31
  6. Step 6: Final answer
    x = 169,224.77

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1.5x scale

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.