Home / 305,731.18-456,538.04-249,682.56

Finding the Fourth Proportional to 305,731.18, 456,538.04 and 249,682.56

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Solution

The fourth proportional to 305,731.18, 456,538.04 and 249,682.56 is: 372,842.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,731.18 : 456,538.04 = 249,682.56 : x
  2. Step 2: Convert to fraction form
    305,731.18/456,538.04 = 249,682.56/x
  3. Step 3: Cross multiply
    305,731.18x = 456,538.04 × 249,682.56
  4. Step 4: Simplify right side
    305,731.18x = 113,989,586,564.58
  5. Step 5: Solve for x
    x = 113,989,586,564.58/305,731.18
  6. Step 6: Final answer
    x = 372,842.53

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.