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Finding the Fourth Proportional to 319,474.34, 440,894.73 and 183,551.78

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Solution

The fourth proportional to 319,474.34, 440,894.73 and 183,551.78 is: 253,313.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,474.34 : 440,894.73 = 183,551.78 : x
  2. Step 2: Convert to fraction form
    319,474.34/440,894.73 = 183,551.78/x
  3. Step 3: Cross multiply
    319,474.34x = 440,894.73 × 183,551.78
  4. Step 4: Simplify right side
    319,474.34x = 80,927,012,484.12
  5. Step 5: Solve for x
    x = 80,927,012,484.12/319,474.34
  6. Step 6: Final answer
    x = 253,313.03

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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.