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Finding the Fourth Proportional to 283,368.96, 391,034 and 162,504.40

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Solution

The fourth proportional to 283,368.96, 391,034 and 162,504.40 is: 224,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,368.96 : 391,034 = 162,504.40 : x
  2. Step 2: Convert to fraction form
    283,368.96/391,034 = 162,504.40/x
  3. Step 3: Cross multiply
    283,368.96x = 391,034 × 162,504.40
  4. Step 4: Simplify right side
    283,368.96x = 63,544,745,549.60
  5. Step 5: Solve for x
    x = 63,544,745,549.60/283,368.96
  6. Step 6: Final answer
    x = 224,247.38

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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.