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Finding the Fourth Proportional to 518,530.60, 777,795.90 and 144,553.60

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Solution

The fourth proportional to 518,530.60, 777,795.90 and 144,553.60 is: 216,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,530.60 : 777,795.90 = 144,553.60 : x
  2. Step 2: Convert to fraction form
    518,530.60/777,795.90 = 144,553.60/x
  3. Step 3: Cross multiply
    518,530.60x = 777,795.90 × 144,553.60
  4. Step 4: Simplify right side
    518,530.60x = 112,433,197,410.24
  5. Step 5: Solve for x
    x = 112,433,197,410.24/518,530.60
  6. Step 6: Final answer
    x = 216,830.40

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Similar ratio
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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.