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Finding the Fourth Proportional to 363,141.70, 544,056.45 and 310,653.70

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Solution

The fourth proportional to 363,141.70, 544,056.45 and 310,653.70 is: 465,419.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,141.70 : 544,056.45 = 310,653.70 : x
  2. Step 2: Convert to fraction form
    363,141.70/544,056.45 = 310,653.70/x
  3. Step 3: Cross multiply
    363,141.70x = 544,056.45 × 310,653.70
  4. Step 4: Simplify right side
    363,141.70x = 169,013,149,201.37
  5. Step 5: Solve for x
    x = 169,013,149,201.37/363,141.70
  6. Step 6: Final answer
    x = 465,419.28

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1.5x scale

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.