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Finding the Fourth Proportional to 266,533.77, 399,880.86 and 79,545.27

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Solution

The fourth proportional to 266,533.77, 399,880.86 and 79,545.27 is: 119,341.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,533.77 : 399,880.86 = 79,545.27 : x
  2. Step 2: Convert to fraction form
    266,533.77/399,880.86 = 79,545.27/x
  3. Step 3: Cross multiply
    266,533.77x = 399,880.86 × 79,545.27
  4. Step 4: Simplify right side
    266,533.77x = 31,808,630,976.53
  5. Step 5: Solve for x
    x = 31,808,630,976.53/266,533.77
  6. Step 6: Final answer
    x = 119,341.84

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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.