Home / 331,362.10-497,043.15-305,701.30

Finding the Fourth Proportional to 331,362.10, 497,043.15 and 305,701.30

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Solution

The fourth proportional to 331,362.10, 497,043.15 and 305,701.30 is: 458,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,362.10 : 497,043.15 = 305,701.30 : x
  2. Step 2: Convert to fraction form
    331,362.10/497,043.15 = 305,701.30/x
  3. Step 3: Cross multiply
    331,362.10x = 497,043.15 × 305,701.30
  4. Step 4: Simplify right side
    331,362.10x = 151,946,737,111.10
  5. Step 5: Solve for x
    x = 151,946,737,111.10/331,362.10
  6. Step 6: Final answer
    x = 458,551.95

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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.