Home / 471,968.89-651,311.20-257,104.34

Finding the Fourth Proportional to 471,968.89, 651,311.20 and 257,104.34

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Solution

The fourth proportional to 471,968.89, 651,311.20 and 257,104.34 is: 354,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,968.89 : 651,311.20 = 257,104.34 : x
  2. Step 2: Convert to fraction form
    471,968.89/651,311.20 = 257,104.34/x
  3. Step 3: Cross multiply
    471,968.89x = 651,311.20 × 257,104.34
  4. Step 4: Simplify right side
    471,968.89x = 167,454,937,935.26
  5. Step 5: Solve for x
    x = 167,454,937,935.26/471,968.89
  6. Step 6: Final answer
    x = 354,800.79

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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.