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Finding the Fourth Proportional to 344,941.20, 518,002.20 and 187,477.20

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Solution

The fourth proportional to 344,941.20, 518,002.20 and 187,477.20 is: 281,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,941.20 : 518,002.20 = 187,477.20 : x
  2. Step 2: Convert to fraction form
    344,941.20/518,002.20 = 187,477.20/x
  3. Step 3: Cross multiply
    344,941.20x = 518,002.20 × 187,477.20
  4. Step 4: Simplify right side
    344,941.20x = 97,113,602,049.84
  5. Step 5: Solve for x
    x = 97,113,602,049.84/344,941.20
  6. Step 6: Final answer
    x = 281,536.69

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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.