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Finding the Fourth Proportional to 228,575.77, 342,918.39 and 95,381.93

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Solution

The fourth proportional to 228,575.77, 342,918.39 and 95,381.93 is: 143,095.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,575.77 : 342,918.39 = 95,381.93 : x
  2. Step 2: Convert to fraction form
    228,575.77/342,918.39 = 95,381.93/x
  3. Step 3: Cross multiply
    228,575.77x = 342,918.39 × 95,381.93
  4. Step 4: Simplify right side
    228,575.77x = 32,708,219,085.67
  5. Step 5: Solve for x
    x = 32,708,219,085.67/228,575.77
  6. Step 6: Final answer
    x = 143,095.74

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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.