Home / 469,427.25-647,803.47-254,566.20

Finding the Fourth Proportional to 469,427.25, 647,803.47 and 254,566.20

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Solution

The fourth proportional to 469,427.25, 647,803.47 and 254,566.20 is: 351,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,427.25 : 647,803.47 = 254,566.20 : x
  2. Step 2: Convert to fraction form
    469,427.25/647,803.47 = 254,566.20/x
  3. Step 3: Cross multiply
    469,427.25x = 647,803.47 × 254,566.20
  4. Step 4: Simplify right side
    469,427.25x = 164,908,867,704.71
  5. Step 5: Solve for x
    x = 164,908,867,704.71/469,427.25
  6. Step 6: Final answer
    x = 351,298.03

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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.