Home / 247,298.26-370,986-78,856.34

Finding the Fourth Proportional to 247,298.26, 370,986 and 78,856.34

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Solution

The fourth proportional to 247,298.26, 370,986 and 78,856.34 is: 118,296.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,298.26 : 370,986 = 78,856.34 : x
  2. Step 2: Convert to fraction form
    247,298.26/370,986 = 78,856.34/x
  3. Step 3: Cross multiply
    247,298.26x = 370,986 × 78,856.34
  4. Step 4: Simplify right side
    247,298.26x = 29,254,598,151.24
  5. Step 5: Solve for x
    x = 29,254,598,151.24/247,298.26
  6. Step 6: Final answer
    x = 118,296.82

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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.