Home / 331,664.02-457,697.86-188,431.92

Finding the Fourth Proportional to 331,664.02, 457,697.86 and 188,431.92

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Solution

The fourth proportional to 331,664.02, 457,697.86 and 188,431.92 is: 260,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,664.02 : 457,697.86 = 188,431.92 : x
  2. Step 2: Convert to fraction form
    331,664.02/457,697.86 = 188,431.92/x
  3. Step 3: Cross multiply
    331,664.02x = 457,697.86 × 188,431.92
  4. Step 4: Simplify right side
    331,664.02x = 86,244,886,068.61
  5. Step 5: Solve for x
    x = 86,244,886,068.61/331,664.02
  6. Step 6: Final answer
    x = 260,036.91

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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.