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Finding the Fourth Proportional to 418,466.55, 577,477.02 and 227,484.75

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Solution

The fourth proportional to 418,466.55, 577,477.02 and 227,484.75 is: 313,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,466.55 : 577,477.02 = 227,484.75 : x
  2. Step 2: Convert to fraction form
    418,466.55/577,477.02 = 227,484.75/x
  3. Step 3: Cross multiply
    418,466.55x = 577,477.02 × 227,484.75
  4. Step 4: Simplify right side
    418,466.55x = 131,367,215,525.45
  5. Step 5: Solve for x
    x = 131,367,215,525.45/418,466.55
  6. Step 6: Final answer
    x = 313,925.25

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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.