Home / 407,278.63-562,035.90-225,986.59

Finding the Fourth Proportional to 407,278.63, 562,035.90 and 225,986.59

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Solution

The fourth proportional to 407,278.63, 562,035.90 and 225,986.59 is: 311,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,278.63 : 562,035.90 = 225,986.59 : x
  2. Step 2: Convert to fraction form
    407,278.63/562,035.90 = 225,986.59/x
  3. Step 3: Cross multiply
    407,278.63x = 562,035.90 × 225,986.59
  4. Step 4: Simplify right side
    407,278.63x = 127,012,576,498.58
  5. Step 5: Solve for x
    x = 127,012,576,498.58/407,278.63
  6. Step 6: Final answer
    x = 311,856.72

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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.