Home / 228,545.15-342,907.93-70,785.90

Finding the Fourth Proportional to 228,545.15, 342,907.93 and 70,785.90

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Solution

The fourth proportional to 228,545.15, 342,907.93 and 70,785.90 is: 106,206.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,545.15 : 342,907.93 = 70,785.90 : x
  2. Step 2: Convert to fraction form
    228,545.15/342,907.93 = 70,785.90/x
  3. Step 3: Cross multiply
    228,545.15x = 342,907.93 × 70,785.90
  4. Step 4: Simplify right side
    228,545.15x = 24,273,046,530.67
  5. Step 5: Solve for x
    x = 24,273,046,530.67/228,545.15
  6. Step 6: Final answer
    x = 106,206.79

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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.