Home / 225,004.33-310,567.22-128,259.12

Finding the Fourth Proportional to 225,004.33, 310,567.22 and 128,259.12

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Solution

The fourth proportional to 225,004.33, 310,567.22 and 128,259.12 is: 177,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,004.33 : 310,567.22 = 128,259.12 : x
  2. Step 2: Convert to fraction form
    225,004.33/310,567.22 = 128,259.12/x
  3. Step 3: Cross multiply
    225,004.33x = 310,567.22 × 128,259.12
  4. Step 4: Simplify right side
    225,004.33x = 39,833,078,338.05
  5. Step 5: Solve for x
    x = 39,833,078,338.05/225,004.33
  6. Step 6: Final answer
    x = 177,032.50

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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.