Home / 417,723.28-626,071.20-164,749.84

Finding the Fourth Proportional to 417,723.28, 626,071.20 and 164,749.84

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Solution

The fourth proportional to 417,723.28, 626,071.20 and 164,749.84 is: 246,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,723.28 : 626,071.20 = 164,749.84 : x
  2. Step 2: Convert to fraction form
    417,723.28/626,071.20 = 164,749.84/x
  3. Step 3: Cross multiply
    417,723.28x = 626,071.20 × 164,749.84
  4. Step 4: Simplify right side
    417,723.28x = 103,145,130,028.61
  5. Step 5: Solve for x
    x = 103,145,130,028.61/417,723.28
  6. Step 6: Final answer
    x = 246,922.15

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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.