Home / 369,669.80-554,118.78-268,222.76

Finding the Fourth Proportional to 369,669.80, 554,118.78 and 268,222.76

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Solution

The fourth proportional to 369,669.80, 554,118.78 and 268,222.76 is: 402,054.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,669.80 : 554,118.78 = 268,222.76 : x
  2. Step 2: Convert to fraction form
    369,669.80/554,118.78 = 268,222.76/x
  3. Step 3: Cross multiply
    369,669.80x = 554,118.78 × 268,222.76
  4. Step 4: Simplify right side
    369,669.80x = 148,627,268,539.43
  5. Step 5: Solve for x
    x = 148,627,268,539.43/369,669.80
  6. Step 6: Final answer
    x = 402,054.13

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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.