Home / 287,501.62-396,483.14-227,216.29

Finding the Fourth Proportional to 287,501.62, 396,483.14 and 227,216.29

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Solution

The fourth proportional to 287,501.62, 396,483.14 and 227,216.29 is: 313,345.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,501.62 : 396,483.14 = 227,216.29 : x
  2. Step 2: Convert to fraction form
    287,501.62/396,483.14 = 227,216.29/x
  3. Step 3: Cross multiply
    287,501.62x = 396,483.14 × 227,216.29
  4. Step 4: Simplify right side
    287,501.62x = 90,087,426,982.27
  5. Step 5: Solve for x
    x = 90,087,426,982.27/287,501.62
  6. Step 6: Final answer
    x = 313,345.81

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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.