Home / 516,515.02-774,328.78-179,511.88

Finding the Fourth Proportional to 516,515.02, 774,328.78 and 179,511.88

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Solution

The fourth proportional to 516,515.02, 774,328.78 and 179,511.88 is: 269,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,515.02 : 774,328.78 = 179,511.88 : x
  2. Step 2: Convert to fraction form
    516,515.02/774,328.78 = 179,511.88/x
  3. Step 3: Cross multiply
    516,515.02x = 774,328.78 × 179,511.88
  4. Step 4: Simplify right side
    516,515.02x = 139,001,215,035.91
  5. Step 5: Solve for x
    x = 139,001,215,035.91/516,515.02
  6. Step 6: Final answer
    x = 269,113.60

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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.