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Finding the Fourth Proportional to 228,079.80, 342,314.10 and 101,914.20

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Solution

The fourth proportional to 228,079.80, 342,314.10 and 101,914.20 is: 152,958.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,079.80 : 342,314.10 = 101,914.20 : x
  2. Step 2: Convert to fraction form
    228,079.80/342,314.10 = 101,914.20/x
  3. Step 3: Cross multiply
    228,079.80x = 342,314.10 × 101,914.20
  4. Step 4: Simplify right side
    228,079.80x = 34,886,667,650.22
  5. Step 5: Solve for x
    x = 34,886,667,650.22/228,079.80
  6. Step 6: Final answer
    x = 152,958.16

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1.5x scale

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.