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Finding the Fourth Proportional to 418,099.03, 577,216.02 and 275,274.25

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Solution

The fourth proportional to 418,099.03, 577,216.02 and 275,274.25 is: 380,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,099.03 : 577,216.02 = 275,274.25 : x
  2. Step 2: Convert to fraction form
    418,099.03/577,216.02 = 275,274.25/x
  3. Step 3: Cross multiply
    418,099.03x = 577,216.02 × 275,274.25
  4. Step 4: Simplify right side
    418,099.03x = 158,892,706,993.49
  5. Step 5: Solve for x
    x = 158,892,706,993.49/418,099.03
  6. Step 6: Final answer
    x = 380,036.06

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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.