Home / 228,284.40-342,473.28-78,505.23

Finding the Fourth Proportional to 228,284.40, 342,473.28 and 78,505.23

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Solution

The fourth proportional to 228,284.40, 342,473.28 and 78,505.23 is: 117,773.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,284.40 : 342,473.28 = 78,505.23 : x
  2. Step 2: Convert to fraction form
    228,284.40/342,473.28 = 78,505.23/x
  3. Step 3: Cross multiply
    228,284.40x = 342,473.28 × 78,505.23
  4. Step 4: Simplify right side
    228,284.40x = 26,885,943,615.25
  5. Step 5: Solve for x
    x = 26,885,943,615.25/228,284.40
  6. Step 6: Final answer
    x = 117,773.90

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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.