Home / 309,246.04-426,752.32-181,929.84

Finding the Fourth Proportional to 309,246.04, 426,752.32 and 181,929.84

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Solution

The fourth proportional to 309,246.04, 426,752.32 and 181,929.84 is: 251,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,246.04 : 426,752.32 = 181,929.84 : x
  2. Step 2: Convert to fraction form
    309,246.04/426,752.32 = 181,929.84/x
  3. Step 3: Cross multiply
    309,246.04x = 426,752.32 × 181,929.84
  4. Step 4: Simplify right side
    309,246.04x = 77,638,981,297.23
  5. Step 5: Solve for x
    x = 77,638,981,297.23/309,246.04
  6. Step 6: Final answer
    x = 251,058.93

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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.