Home / 228,210.30-342,364.05-70,454.70

Finding the Fourth Proportional to 228,210.30, 342,364.05 and 70,454.70

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Solution

The fourth proportional to 228,210.30, 342,364.05 and 70,454.70 is: 105,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,210.30 : 342,364.05 = 70,454.70 : x
  2. Step 2: Convert to fraction form
    228,210.30/342,364.05 = 70,454.70/x
  3. Step 3: Cross multiply
    228,210.30x = 342,364.05 × 70,454.70
  4. Step 4: Simplify right side
    228,210.30x = 24,121,156,433.54
  5. Step 5: Solve for x
    x = 24,121,156,433.54/228,210.30
  6. Step 6: Final answer
    x = 105,697.05

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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.