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Finding the Fourth Proportional to 225,053.69, 310,427.78 and 144,353.39

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Solution

The fourth proportional to 225,053.69, 310,427.78 and 144,353.39 is: 199,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,053.69 : 310,427.78 = 144,353.39 : x
  2. Step 2: Convert to fraction form
    225,053.69/310,427.78 = 144,353.39/x
  3. Step 3: Cross multiply
    225,053.69x = 310,427.78 × 144,353.39
  4. Step 4: Simplify right side
    225,053.69x = 44,811,300,119.27
  5. Step 5: Solve for x
    x = 44,811,300,119.27/225,053.69
  6. Step 6: Final answer
    x = 199,113.83

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1.5x scale

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.