Home / 380,272.57-524,775.27-227,303.35

Finding the Fourth Proportional to 380,272.57, 524,775.27 and 227,303.35

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Solution

The fourth proportional to 380,272.57, 524,775.27 and 227,303.35 is: 313,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,272.57 : 524,775.27 = 227,303.35 : x
  2. Step 2: Convert to fraction form
    380,272.57/524,775.27 = 227,303.35/x
  3. Step 3: Cross multiply
    380,272.57x = 524,775.27 × 227,303.35
  4. Step 4: Simplify right side
    380,272.57x = 119,283,174,490.73
  5. Step 5: Solve for x
    x = 119,283,174,490.73/380,272.57
  6. Step 6: Final answer
    x = 313,678.09

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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.