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Finding the Fourth Proportional to 426,114.84, 588,018.78 and 244,699.12

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Solution

The fourth proportional to 426,114.84, 588,018.78 and 244,699.12 is: 337,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,114.84 : 588,018.78 = 244,699.12 : x
  2. Step 2: Convert to fraction form
    426,114.84/588,018.78 = 244,699.12/x
  3. Step 3: Cross multiply
    426,114.84x = 588,018.78 × 244,699.12
  4. Step 4: Simplify right side
    426,114.84x = 143,887,678,009.47
  5. Step 5: Solve for x
    x = 143,887,678,009.47/426,114.84
  6. Step 6: Final answer
    x = 337,673.47

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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.