Home / 331,918.40-458,088.54-202,830.32

Finding the Fourth Proportional to 331,918.40, 458,088.54 and 202,830.32

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Solution

The fourth proportional to 331,918.40, 458,088.54 and 202,830.32 is: 279,930.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,918.40 : 458,088.54 = 202,830.32 : x
  2. Step 2: Convert to fraction form
    331,918.40/458,088.54 = 202,830.32/x
  3. Step 3: Cross multiply
    331,918.40x = 458,088.54 × 202,830.32
  4. Step 4: Simplify right side
    331,918.40x = 92,914,245,156.53
  5. Step 5: Solve for x
    x = 92,914,245,156.53/331,918.40
  6. Step 6: Final answer
    x = 279,930.99

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1.5x scale

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.