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Finding the Fourth Proportional to 354,246.40, 532,406.40 and 308,627.20

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Solution

The fourth proportional to 354,246.40, 532,406.40 and 308,627.20 is: 463,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,246.40 : 532,406.40 = 308,627.20 : x
  2. Step 2: Convert to fraction form
    354,246.40/532,406.40 = 308,627.20/x
  3. Step 3: Cross multiply
    354,246.40x = 532,406.40 × 308,627.20
  4. Step 4: Simplify right side
    354,246.40x = 164,315,096,494.08
  5. Step 5: Solve for x
    x = 164,315,096,494.08/354,246.40
  6. Step 6: Final answer
    x = 463,844.08

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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.