Home / 474,899.47-655,362.31-257,110.43

Finding the Fourth Proportional to 474,899.47, 655,362.31 and 257,110.43

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Solution

The fourth proportional to 474,899.47, 655,362.31 and 257,110.43 is: 354,812.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,899.47 : 655,362.31 = 257,110.43 : x
  2. Step 2: Convert to fraction form
    474,899.47/655,362.31 = 257,110.43/x
  3. Step 3: Cross multiply
    474,899.47x = 655,362.31 × 257,110.43
  4. Step 4: Simplify right side
    474,899.47x = 168,500,481,410.31
  5. Step 5: Solve for x
    x = 168,500,481,410.31/474,899.47
  6. Step 6: Final answer
    x = 354,812.95

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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.