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Finding the Fourth Proportional to 335,030.04, 462,812.13 and 304,761.96

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Solution

The fourth proportional to 335,030.04, 462,812.13 and 304,761.96 is: 420,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,030.04 : 462,812.13 = 304,761.96 : x
  2. Step 2: Convert to fraction form
    335,030.04/462,812.13 = 304,761.96/x
  3. Step 3: Cross multiply
    335,030.04x = 462,812.13 × 304,761.96
  4. Step 4: Simplify right side
    335,030.04x = 141,047,531,850.58
  5. Step 5: Solve for x
    x = 141,047,531,850.58/335,030.04
  6. Step 6: Final answer
    x = 420,999.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.