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Finding the Fourth Proportional to 418,731.93, 577,854.95 and 227,749.77

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Solution

The fourth proportional to 418,731.93, 577,854.95 and 227,749.77 is: 314,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,731.93 : 577,854.95 = 227,749.77 : x
  2. Step 2: Convert to fraction form
    418,731.93/577,854.95 = 227,749.77/x
  3. Step 3: Cross multiply
    418,731.93x = 577,854.95 × 227,749.77
  4. Step 4: Simplify right side
    418,731.93x = 131,606,330,817.11
  5. Step 5: Solve for x
    x = 131,606,330,817.11/418,731.93
  6. Step 6: Final answer
    x = 314,297.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.