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Finding the Fourth Proportional to 476,379.04, 714,646.32 and 176,860.48

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Solution

The fourth proportional to 476,379.04, 714,646.32 and 176,860.48 is: 265,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,379.04 : 714,646.32 = 176,860.48 : x
  2. Step 2: Convert to fraction form
    476,379.04/714,646.32 = 176,860.48/x
  3. Step 3: Cross multiply
    476,379.04x = 714,646.32 × 176,860.48
  4. Step 4: Simplify right side
    476,379.04x = 126,392,691,185.43
  5. Step 5: Solve for x
    x = 126,392,691,185.43/476,379.04
  6. Step 6: Final answer
    x = 265,319.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.