Home / 331,890.40-458,049.90-202,802.32

Finding the Fourth Proportional to 331,890.40, 458,049.90 and 202,802.32

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Solution

The fourth proportional to 331,890.40, 458,049.90 and 202,802.32 is: 279,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,890.40 : 458,049.90 = 202,802.32 : x
  2. Step 2: Convert to fraction form
    331,890.40/458,049.90 = 202,802.32/x
  3. Step 3: Cross multiply
    331,890.40x = 458,049.90 × 202,802.32
  4. Step 4: Simplify right side
    331,890.40x = 92,893,582,395.77
  5. Step 5: Solve for x
    x = 92,893,582,395.77/331,890.40
  6. Step 6: Final answer
    x = 279,892.35

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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.