Home / 471,829.17-651,131.66-256,969.06

Finding the Fourth Proportional to 471,829.17, 651,131.66 and 256,969.06

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Solution

The fourth proportional to 471,829.17, 651,131.66 and 256,969.06 is: 354,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,829.17 : 651,131.66 = 256,969.06 : x
  2. Step 2: Convert to fraction form
    471,829.17/651,131.66 = 256,969.06/x
  3. Step 3: Cross multiply
    471,829.17x = 651,131.66 × 256,969.06
  4. Step 4: Simplify right side
    471,829.17x = 167,320,689,621.03
  5. Step 5: Solve for x
    x = 167,320,689,621.03/471,829.17
  6. Step 6: Final answer
    x = 354,621.33

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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.