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Finding the Fourth Proportional to 358,444.27, 494,541.75 and 203,369.91

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Solution

The fourth proportional to 358,444.27, 494,541.75 and 203,369.91 is: 280,587.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,444.27 : 494,541.75 = 203,369.91 : x
  2. Step 2: Convert to fraction form
    358,444.27/494,541.75 = 203,369.91/x
  3. Step 3: Cross multiply
    358,444.27x = 494,541.75 × 203,369.91
  4. Step 4: Simplify right side
    358,444.27x = 100,574,911,188.74
  5. Step 5: Solve for x
    x = 100,574,911,188.74/358,444.27
  6. Step 6: Final answer
    x = 280,587.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.