Home / 228,542.13-342,603.14-78,746.76

Finding the Fourth Proportional to 228,542.13, 342,603.14 and 78,746.76

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Solution

The fourth proportional to 228,542.13, 342,603.14 and 78,746.76 is: 118,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,542.13 : 342,603.14 = 78,746.76 : x
  2. Step 2: Convert to fraction form
    228,542.13/342,603.14 = 78,746.76/x
  3. Step 3: Cross multiply
    228,542.13x = 342,603.14 × 78,746.76
  4. Step 4: Simplify right side
    228,542.13x = 26,978,886,847.09
  5. Step 5: Solve for x
    x = 26,978,886,847.09/228,542.13
  6. Step 6: Final answer
    x = 118,047.76

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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.