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Finding the Fourth Proportional to 347,019.31, 478,887.93 and 201,859.93

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Solution

The fourth proportional to 347,019.31, 478,887.93 and 201,859.93 is: 278,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,019.31 : 478,887.93 = 201,859.93 : x
  2. Step 2: Convert to fraction form
    347,019.31/478,887.93 = 201,859.93/x
  3. Step 3: Cross multiply
    347,019.31x = 478,887.93 × 201,859.93
  4. Step 4: Simplify right side
    347,019.31x = 96,668,280,623.91
  5. Step 5: Solve for x
    x = 96,668,280,623.91/347,019.31
  6. Step 6: Final answer
    x = 278,567.44

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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.