Home / 357,787.09-493,540.60-223,417.81

Finding the Fourth Proportional to 357,787.09, 493,540.60 and 223,417.81

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Solution

The fourth proportional to 357,787.09, 493,540.60 and 223,417.81 is: 308,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,787.09 : 493,540.60 = 223,417.81 : x
  2. Step 2: Convert to fraction form
    357,787.09/493,540.60 = 223,417.81/x
  3. Step 3: Cross multiply
    357,787.09x = 493,540.60 × 223,417.81
  4. Step 4: Simplify right side
    357,787.09x = 110,265,759,998.09
  5. Step 5: Solve for x
    x = 110,265,759,998.09/357,787.09
  6. Step 6: Final answer
    x = 308,188.20

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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.