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Finding the Fourth Proportional to 418,258.64, 577,200.58 and 227,272.03

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Solution

The fourth proportional to 418,258.64, 577,200.58 and 227,272.03 is: 313,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,258.64 : 577,200.58 = 227,272.03 : x
  2. Step 2: Convert to fraction form
    418,258.64/577,200.58 = 227,272.03/x
  3. Step 3: Cross multiply
    418,258.64x = 577,200.58 × 227,272.03
  4. Step 4: Simplify right side
    418,258.64x = 131,181,545,522.60
  5. Step 5: Solve for x
    x = 131,181,545,522.60/418,258.64
  6. Step 6: Final answer
    x = 313,637.38

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1.5x scale

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.