Home / 225,984.60-311,725.26-145,386.36

Finding the Fourth Proportional to 225,984.60, 311,725.26 and 145,386.36

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Solution

The fourth proportional to 225,984.60, 311,725.26 and 145,386.36 is: 200,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,984.60 : 311,725.26 = 145,386.36 : x
  2. Step 2: Convert to fraction form
    225,984.60/311,725.26 = 145,386.36/x
  3. Step 3: Cross multiply
    225,984.60x = 311,725.26 × 145,386.36
  4. Step 4: Simplify right side
    225,984.60x = 45,320,600,871.45
  5. Step 5: Solve for x
    x = 45,320,600,871.45/225,984.60
  6. Step 6: Final answer
    x = 200,547.30

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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.