Home / 225,455.37-310,420.26-191,393.25

Finding the Fourth Proportional to 225,455.37, 310,420.26 and 191,393.25

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Solution

The fourth proportional to 225,455.37, 310,420.26 and 191,393.25 is: 263,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,455.37 : 310,420.26 = 191,393.25 : x
  2. Step 2: Convert to fraction form
    225,455.37/310,420.26 = 191,393.25/x
  3. Step 3: Cross multiply
    225,455.37x = 310,420.26 × 191,393.25
  4. Step 4: Simplify right side
    225,455.37x = 59,412,342,427.25
  5. Step 5: Solve for x
    x = 59,412,342,427.25/225,455.37
  6. Step 6: Final answer
    x = 263,521.52

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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.