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Finding the Fourth Proportional to 251,878.64, 377,381.64 and 176,856.08

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Solution

The fourth proportional to 251,878.64, 377,381.64 and 176,856.08 is: 264,977.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,878.64 : 377,381.64 = 176,856.08 : x
  2. Step 2: Convert to fraction form
    251,878.64/377,381.64 = 176,856.08/x
  3. Step 3: Cross multiply
    251,878.64x = 377,381.64 × 176,856.08
  4. Step 4: Simplify right side
    251,878.64x = 66,742,237,514.37
  5. Step 5: Solve for x
    x = 66,742,237,514.37/251,878.64
  6. Step 6: Final answer
    x = 264,977.76

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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.