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Finding the Fourth Proportional to 319,499.27, 440,908.97 and 176,259.32

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Solution

The fourth proportional to 319,499.27, 440,908.97 and 176,259.32 is: 243,237.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,499.27 : 440,908.97 = 176,259.32 : x
  2. Step 2: Convert to fraction form
    319,499.27/440,908.97 = 176,259.32/x
  3. Step 3: Cross multiply
    319,499.27x = 440,908.97 × 176,259.32
  4. Step 4: Simplify right side
    319,499.27x = 77,714,312,148.26
  5. Step 5: Solve for x
    x = 77,714,312,148.26/319,499.27
  6. Step 6: Final answer
    x = 243,237.84

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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.