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Finding the Fourth Proportional to 262,001.70, 393,002.55 and 242,756.10

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Solution

The fourth proportional to 262,001.70, 393,002.55 and 242,756.10 is: 364,134.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,001.70 : 393,002.55 = 242,756.10 : x
  2. Step 2: Convert to fraction form
    262,001.70/393,002.55 = 242,756.10/x
  3. Step 3: Cross multiply
    262,001.70x = 393,002.55 × 242,756.10
  4. Step 4: Simplify right side
    262,001.70x = 95,403,766,328.06
  5. Step 5: Solve for x
    x = 95,403,766,328.06/262,001.70
  6. Step 6: Final answer
    x = 364,134.15

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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.