Home / 417,130.56-625,748.22-203,905.35

Finding the Fourth Proportional to 417,130.56, 625,748.22 and 203,905.35

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Solution

The fourth proportional to 417,130.56, 625,748.22 and 203,905.35 is: 305,883.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,130.56 : 625,748.22 = 203,905.35 : x
  2. Step 2: Convert to fraction form
    417,130.56/625,748.22 = 203,905.35/x
  3. Step 3: Cross multiply
    417,130.56x = 625,748.22 × 203,905.35
  4. Step 4: Simplify right side
    417,130.56x = 127,593,409,810.98
  5. Step 5: Solve for x
    x = 127,593,409,810.98/417,130.56
  6. Step 6: Final answer
    x = 305,883.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.