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Finding the Fourth Proportional to 304,515.64, 456,803.97 and 104,809.60

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Solution

The fourth proportional to 304,515.64, 456,803.97 and 104,809.60 is: 157,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,515.64 : 456,803.97 = 104,809.60 : x
  2. Step 2: Convert to fraction form
    304,515.64/456,803.97 = 104,809.60/x
  3. Step 3: Cross multiply
    304,515.64x = 456,803.97 × 104,809.60
  4. Step 4: Simplify right side
    304,515.64x = 47,877,441,374.11
  5. Step 5: Solve for x
    x = 47,877,441,374.11/304,515.64
  6. Step 6: Final answer
    x = 157,224.90

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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.