Home / 456,554.77-684,925.56-156,996.43

Finding the Fourth Proportional to 456,554.77, 684,925.56 and 156,996.43

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Solution

The fourth proportional to 456,554.77, 684,925.56 and 156,996.43 is: 235,526.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,554.77 : 684,925.56 = 156,996.43 : x
  2. Step 2: Convert to fraction form
    456,554.77/684,925.56 = 156,996.43/x
  3. Step 3: Cross multiply
    456,554.77x = 684,925.56 × 156,996.43
  4. Step 4: Simplify right side
    456,554.77x = 107,530,867,735.75
  5. Step 5: Solve for x
    x = 107,530,867,735.75/456,554.77
  6. Step 6: Final answer
    x = 235,526.76

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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.