Home / 380,123.37-524,518.31-227,129.25

Finding the Fourth Proportional to 380,123.37, 524,518.31 and 227,129.25

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Solution

The fourth proportional to 380,123.37, 524,518.31 and 227,129.25 is: 313,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,123.37 : 524,518.31 = 227,129.25 : x
  2. Step 2: Convert to fraction form
    380,123.37/524,518.31 = 227,129.25/x
  3. Step 3: Cross multiply
    380,123.37x = 524,518.31 × 227,129.25
  4. Step 4: Simplify right side
    380,123.37x = 119,133,449,225.92
  5. Step 5: Solve for x
    x = 119,133,449,225.92/380,123.37
  6. Step 6: Final answer
    x = 313,407.33

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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.