Home / 331,688.02-457,741.80-188,472.28

Finding the Fourth Proportional to 331,688.02, 457,741.80 and 188,472.28

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Solution

The fourth proportional to 331,688.02, 457,741.80 and 188,472.28 is: 260,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,688.02 : 457,741.80 = 188,472.28 : x
  2. Step 2: Convert to fraction form
    331,688.02/457,741.80 = 188,472.28/x
  3. Step 3: Cross multiply
    331,688.02x = 457,741.80 × 188,472.28
  4. Step 4: Simplify right side
    331,688.02x = 86,271,640,697.30
  5. Step 5: Solve for x
    x = 86,271,640,697.30/331,688.02
  6. Step 6: Final answer
    x = 260,098.75

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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.