Home / 647,723.20-971,293.20-248,231.20

Finding the Fourth Proportional to 647,723.20, 971,293.20 and 248,231.20

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Solution

The fourth proportional to 647,723.20, 971,293.20 and 248,231.20 is: 372,235.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,723.20 : 971,293.20 = 248,231.20 : x
  2. Step 2: Convert to fraction form
    647,723.20/971,293.20 = 248,231.20/x
  3. Step 3: Cross multiply
    647,723.20x = 971,293.20 × 248,231.20
  4. Step 4: Simplify right side
    647,723.20x = 241,105,276,587.84
  5. Step 5: Solve for x
    x = 241,105,276,587.84/647,723.20
  6. Step 6: Final answer
    x = 372,235.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.