Home / 456,538.64-684,894.06-140,921.73

Finding the Fourth Proportional to 456,538.64, 684,894.06 and 140,921.73

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Solution

The fourth proportional to 456,538.64, 684,894.06 and 140,921.73 is: 211,409.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,538.64 : 684,894.06 = 140,921.73 : x
  2. Step 2: Convert to fraction form
    456,538.64/684,894.06 = 140,921.73/x
  3. Step 3: Cross multiply
    456,538.64x = 684,894.06 × 140,921.73
  4. Step 4: Simplify right side
    456,538.64x = 96,516,455,801.92
  5. Step 5: Solve for x
    x = 96,516,455,801.92/456,538.64
  6. Step 6: Final answer
    x = 211,409.17

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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.