Home / 305,727.72-456,532.90-249,679.10

Finding the Fourth Proportional to 305,727.72, 456,532.90 and 249,679.10

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Solution

The fourth proportional to 305,727.72, 456,532.90 and 249,679.10 is: 372,837.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,727.72 : 456,532.90 = 249,679.10 : x
  2. Step 2: Convert to fraction form
    305,727.72/456,532.90 = 249,679.10/x
  3. Step 3: Cross multiply
    305,727.72x = 456,532.90 × 249,679.10
  4. Step 4: Simplify right side
    305,727.72x = 113,986,723,592.39
  5. Step 5: Solve for x
    x = 113,986,723,592.39/305,727.72
  6. Step 6: Final answer
    x = 372,837.38

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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.