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Finding the Fourth Proportional to 237,145.52, 355,858.44 and 87,490.94

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Solution

The fourth proportional to 237,145.52, 355,858.44 and 87,490.94 is: 131,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,145.52 : 355,858.44 = 87,490.94 : x
  2. Step 2: Convert to fraction form
    237,145.52/355,858.44 = 87,490.94/x
  3. Step 3: Cross multiply
    237,145.52x = 355,858.44 × 87,490.94
  4. Step 4: Simplify right side
    237,145.52x = 31,134,387,315.15
  5. Step 5: Solve for x
    x = 31,134,387,315.15/237,145.52
  6. Step 6: Final answer
    x = 131,288.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.