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Finding the Fourth Proportional to 337,335.30, 505,930.05 and 147,795.30

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Solution

The fourth proportional to 337,335.30, 505,930.05 and 147,795.30 is: 221,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,335.30 : 505,930.05 = 147,795.30 : x
  2. Step 2: Convert to fraction form
    337,335.30/505,930.05 = 147,795.30/x
  3. Step 3: Cross multiply
    337,335.30x = 505,930.05 × 147,795.30
  4. Step 4: Simplify right side
    337,335.30x = 74,774,083,518.77
  5. Step 5: Solve for x
    x = 74,774,083,518.77/337,335.30
  6. Step 6: Final answer
    x = 221,661.01

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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.