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Finding the Fourth Proportional to 343,080.41, 514,621.85 and 242,937.68

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Solution

The fourth proportional to 343,080.41, 514,621.85 and 242,937.68 is: 364,407.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,080.41 : 514,621.85 = 242,937.68 : x
  2. Step 2: Convert to fraction form
    343,080.41/514,621.85 = 242,937.68/x
  3. Step 3: Cross multiply
    343,080.41x = 514,621.85 × 242,937.68
  4. Step 4: Simplify right side
    343,080.41x = 125,021,034,528.51
  5. Step 5: Solve for x
    x = 125,021,034,528.51/343,080.41
  6. Step 6: Final answer
    x = 364,407.39

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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.