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Finding the Fourth Proportional to 304,581.60, 455,835.60 and 267,256.80

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Solution

The fourth proportional to 304,581.60, 455,835.60 and 267,256.80 is: 399,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,581.60 : 455,835.60 = 267,256.80 : x
  2. Step 2: Convert to fraction form
    304,581.60/455,835.60 = 267,256.80/x
  3. Step 3: Cross multiply
    304,581.60x = 455,835.60 × 267,256.80
  4. Step 4: Simplify right side
    304,581.60x = 121,825,163,782.08
  5. Step 5: Solve for x
    x = 121,825,163,782.08/304,581.60
  6. Step 6: Final answer
    x = 399,975.45

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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.