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Finding the Fourth Proportional to 540,035.40, 809,405.10 and 224,329.80

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Solution

The fourth proportional to 540,035.40, 809,405.10 and 224,329.80 is: 336,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,035.40 : 809,405.10 = 224,329.80 : x
  2. Step 2: Convert to fraction form
    540,035.40/809,405.10 = 224,329.80/x
  3. Step 3: Cross multiply
    540,035.40x = 809,405.10 × 224,329.80
  4. Step 4: Simplify right side
    540,035.40x = 181,573,684,201.98
  5. Step 5: Solve for x
    x = 181,573,684,201.98/540,035.40
  6. Step 6: Final answer
    x = 336,225.52

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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.