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Finding the Fourth Proportional to 301,446.40, 452,240.64 and 91,086.08

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Solution

The fourth proportional to 301,446.40, 452,240.64 and 91,086.08 is: 136,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,446.40 : 452,240.64 = 91,086.08 : x
  2. Step 2: Convert to fraction form
    301,446.40/452,240.64 = 91,086.08/x
  3. Step 3: Cross multiply
    301,446.40x = 452,240.64 × 91,086.08
  4. Step 4: Simplify right side
    301,446.40x = 41,192,827,114.29
  5. Step 5: Solve for x
    x = 41,192,827,114.29/301,446.40
  6. Step 6: Final answer
    x = 136,650.59

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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.