Home / 438,579.63-657,662.09-201,852.27

Finding the Fourth Proportional to 438,579.63, 657,662.09 and 201,852.27

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Solution

The fourth proportional to 438,579.63, 657,662.09 and 201,852.27 is: 302,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,579.63 : 657,662.09 = 201,852.27 : x
  2. Step 2: Convert to fraction form
    438,579.63/657,662.09 = 201,852.27/x
  3. Step 3: Cross multiply
    438,579.63x = 657,662.09 × 201,852.27
  4. Step 4: Simplify right side
    438,579.63x = 132,750,584,750.18
  5. Step 5: Solve for x
    x = 132,750,584,750.18/438,579.63
  6. Step 6: Final answer
    x = 302,682.97

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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.