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Finding the Fourth Proportional to 361,360.20, 499,096.98 and 340,365

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Solution

The fourth proportional to 361,360.20, 499,096.98 and 340,365 is: 470,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,360.20 : 499,096.98 = 340,365 : x
  2. Step 2: Convert to fraction form
    361,360.20/499,096.98 = 340,365/x
  3. Step 3: Cross multiply
    361,360.20x = 499,096.98 × 340,365
  4. Step 4: Simplify right side
    361,360.20x = 169,875,143,597.70
  5. Step 5: Solve for x
    x = 169,875,143,597.70/361,360.20
  6. Step 6: Final answer
    x = 470,099.21

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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.