Home / 384,986.23-577,286.60-118,712.14

Finding the Fourth Proportional to 384,986.23, 577,286.60 and 118,712.14

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Solution

The fourth proportional to 384,986.23, 577,286.60 and 118,712.14 is: 178,008.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,986.23 : 577,286.60 = 118,712.14 : x
  2. Step 2: Convert to fraction form
    384,986.23/577,286.60 = 118,712.14/x
  3. Step 3: Cross multiply
    384,986.23x = 577,286.60 × 118,712.14
  4. Step 4: Simplify right side
    384,986.23x = 68,530,925,642.55
  5. Step 5: Solve for x
    x = 68,530,925,642.55/384,986.23
  6. Step 6: Final answer
    x = 178,008.77

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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.