Home / 370,028.60-510,738.09-208,977.92

Finding the Fourth Proportional to 370,028.60, 510,738.09 and 208,977.92

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Solution

The fourth proportional to 370,028.60, 510,738.09 and 208,977.92 is: 288,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,028.60 : 510,738.09 = 208,977.92 : x
  2. Step 2: Convert to fraction form
    370,028.60/510,738.09 = 208,977.92/x
  3. Step 3: Cross multiply
    370,028.60x = 510,738.09 × 208,977.92
  4. Step 4: Simplify right side
    370,028.60x = 106,732,983,712.97
  5. Step 5: Solve for x
    x = 106,732,983,712.97/370,028.60
  6. Step 6: Final answer
    x = 288,445.23

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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.