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Finding the Fourth Proportional to 336,564.83, 504,415.28 and 146,973.80

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Solution

The fourth proportional to 336,564.83, 504,415.28 and 146,973.80 is: 220,272.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,564.83 : 504,415.28 = 146,973.80 : x
  2. Step 2: Convert to fraction form
    336,564.83/504,415.28 = 146,973.80/x
  3. Step 3: Cross multiply
    336,564.83x = 504,415.28 × 146,973.80
  4. Step 4: Simplify right side
    336,564.83x = 74,135,827,222.72
  5. Step 5: Solve for x
    x = 74,135,827,222.72/336,564.83
  6. Step 6: Final answer
    x = 220,272.06

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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.