Home / 331,369.13-457,302.35-188,142.50

Finding the Fourth Proportional to 331,369.13, 457,302.35 and 188,142.50

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Solution

The fourth proportional to 331,369.13, 457,302.35 and 188,142.50 is: 259,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,369.13 : 457,302.35 = 188,142.50 : x
  2. Step 2: Convert to fraction form
    331,369.13/457,302.35 = 188,142.50/x
  3. Step 3: Cross multiply
    331,369.13x = 457,302.35 × 188,142.50
  4. Step 4: Simplify right side
    331,369.13x = 86,038,006,444.16
  5. Step 5: Solve for x
    x = 86,038,006,444.16/331,369.13
  6. Step 6: Final answer
    x = 259,644.00

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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.