Home / 331,588.15-457,567.04-188,320.50

Finding the Fourth Proportional to 331,588.15, 457,567.04 and 188,320.50

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Solution

The fourth proportional to 331,588.15, 457,567.04 and 188,320.50 is: 259,868.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,588.15 : 457,567.04 = 188,320.50 : x
  2. Step 2: Convert to fraction form
    331,588.15/457,567.04 = 188,320.50/x
  3. Step 3: Cross multiply
    331,588.15x = 457,567.04 × 188,320.50
  4. Step 4: Simplify right side
    331,588.15x = 86,169,254,227.12
  5. Step 5: Solve for x
    x = 86,169,254,227.12/331,588.15
  6. Step 6: Final answer
    x = 259,868.32

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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.