Home / 309,025.68-426,498.64-223,262.22

Finding the Fourth Proportional to 309,025.68, 426,498.64 and 223,262.22

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Solution

The fourth proportional to 309,025.68, 426,498.64 and 223,262.22 is: 308,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,025.68 : 426,498.64 = 223,262.22 : x
  2. Step 2: Convert to fraction form
    309,025.68/426,498.64 = 223,262.22/x
  3. Step 3: Cross multiply
    309,025.68x = 426,498.64 × 223,262.22
  4. Step 4: Simplify right side
    309,025.68x = 95,221,033,193.38
  5. Step 5: Solve for x
    x = 95,221,033,193.38/309,025.68
  6. Step 6: Final answer
    x = 308,133.08

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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.