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Finding the Fourth Proportional to 540,090.40, 809,487.60 and 224,384.80

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Solution

The fourth proportional to 540,090.40, 809,487.60 and 224,384.80 is: 336,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,090.40 : 809,487.60 = 224,384.80 : x
  2. Step 2: Convert to fraction form
    540,090.40/809,487.60 = 224,384.80/x
  3. Step 3: Cross multiply
    540,090.40x = 809,487.60 × 224,384.80
  4. Step 4: Simplify right side
    540,090.40x = 181,636,713,228.48
  5. Step 5: Solve for x
    x = 181,636,713,228.48/540,090.40
  6. Step 6: Final answer
    x = 336,307.98

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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.