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Finding the Fourth Proportional to 358,266.04, 536,582.10 and 171,409.72

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Solution

The fourth proportional to 358,266.04, 536,582.10 and 171,409.72 is: 256,723.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,266.04 : 536,582.10 = 171,409.72 : x
  2. Step 2: Convert to fraction form
    358,266.04/536,582.10 = 171,409.72/x
  3. Step 3: Cross multiply
    358,266.04x = 536,582.10 × 171,409.72
  4. Step 4: Simplify right side
    358,266.04x = 91,975,387,518.01
  5. Step 5: Solve for x
    x = 91,975,387,518.01/358,266.04
  6. Step 6: Final answer
    x = 256,723.71

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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.