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Finding the Fourth Proportional to 364,486.74, 503,308.08 and 228,755.94

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Solution

The fourth proportional to 364,486.74, 503,308.08 and 228,755.94 is: 315,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,486.74 : 503,308.08 = 228,755.94 : x
  2. Step 2: Convert to fraction form
    364,486.74/503,308.08 = 228,755.94/x
  3. Step 3: Cross multiply
    364,486.74x = 503,308.08 × 228,755.94
  4. Step 4: Simplify right side
    364,486.74x = 115,134,712,950.00
  5. Step 5: Solve for x
    x = 115,134,712,950.00/364,486.74
  6. Step 6: Final answer
    x = 315,881.76

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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.