Home / 306,106.12-457,816.24-272,608.36

Finding the Fourth Proportional to 306,106.12, 457,816.24 and 272,608.36

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Solution

The fourth proportional to 306,106.12, 457,816.24 and 272,608.36 is: 407,716.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,106.12 : 457,816.24 = 272,608.36 : x
  2. Step 2: Convert to fraction form
    306,106.12/457,816.24 = 272,608.36/x
  3. Step 3: Cross multiply
    306,106.12x = 457,816.24 × 272,608.36
  4. Step 4: Simplify right side
    306,106.12x = 124,804,534,367.77
  5. Step 5: Solve for x
    x = 124,804,534,367.77/306,106.12
  6. Step 6: Final answer
    x = 407,716.56

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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.