Home / 286,345.02-395,145.32-159,028.82

Finding the Fourth Proportional to 286,345.02, 395,145.32 and 159,028.82

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Solution

The fourth proportional to 286,345.02, 395,145.32 and 159,028.82 is: 219,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,345.02 : 395,145.32 = 159,028.82 : x
  2. Step 2: Convert to fraction form
    286,345.02/395,145.32 = 159,028.82/x
  3. Step 3: Cross multiply
    286,345.02x = 395,145.32 × 159,028.82
  4. Step 4: Simplify right side
    286,345.02x = 62,839,492,679.05
  5. Step 5: Solve for x
    x = 62,839,492,679.05/286,345.02
  6. Step 6: Final answer
    x = 219,453.76

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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.