Home / 309,292.11-426,802.91-181,943.10

Finding the Fourth Proportional to 309,292.11, 426,802.91 and 181,943.10

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Solution

The fourth proportional to 309,292.11, 426,802.91 and 181,943.10 is: 251,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,292.11 : 426,802.91 = 181,943.10 : x
  2. Step 2: Convert to fraction form
    309,292.11/426,802.91 = 181,943.10/x
  3. Step 3: Cross multiply
    309,292.11x = 426,802.91 × 181,943.10
  4. Step 4: Simplify right side
    309,292.11x = 77,653,843,624.71
  5. Step 5: Solve for x
    x = 77,653,843,624.71/309,292.11
  6. Step 6: Final answer
    x = 251,069.59

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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.