Home / 384,518.03-576,842.64-118,272.65

Finding the Fourth Proportional to 384,518.03, 576,842.64 and 118,272.65

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Solution

The fourth proportional to 384,518.03, 576,842.64 and 118,272.65 is: 177,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,518.03 : 576,842.64 = 118,272.65 : x
  2. Step 2: Convert to fraction form
    384,518.03/576,842.64 = 118,272.65/x
  3. Step 3: Cross multiply
    384,518.03x = 576,842.64 × 118,272.65
  4. Step 4: Simplify right side
    384,518.03x = 68,224,704,781.58
  5. Step 5: Solve for x
    x = 68,224,704,781.58/384,518.03
  6. Step 6: Final answer
    x = 177,429.15

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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.