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Finding the Fourth Proportional to 228,389.70, 342,594.27 and 70,621.14

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Solution

The fourth proportional to 228,389.70, 342,594.27 and 70,621.14 is: 105,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,389.70 : 342,594.27 = 70,621.14 : x
  2. Step 2: Convert to fraction form
    228,389.70/342,594.27 = 70,621.14/x
  3. Step 3: Cross multiply
    228,389.70x = 342,594.27 × 70,621.14
  4. Step 4: Simplify right side
    228,389.70x = 24,194,397,904.87
  5. Step 5: Solve for x
    x = 24,194,397,904.87/228,389.70
  6. Step 6: Final answer
    x = 105,934.72

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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.