Home / 369,738.60-554,606.10-144,940.20

Finding the Fourth Proportional to 369,738.60, 554,606.10 and 144,940.20

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Solution

The fourth proportional to 369,738.60, 554,606.10 and 144,940.20 is: 217,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,738.60 : 554,606.10 = 144,940.20 : x
  2. Step 2: Convert to fraction form
    369,738.60/554,606.10 = 144,940.20/x
  3. Step 3: Cross multiply
    369,738.60x = 554,606.10 × 144,940.20
  4. Step 4: Simplify right side
    369,738.60x = 80,384,719,055.22
  5. Step 5: Solve for x
    x = 80,384,719,055.22/369,738.60
  6. Step 6: Final answer
    x = 217,409.59

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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.