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Finding the Fourth Proportional to 228,389.37, 342,616.86 and 70,630.13

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Solution

The fourth proportional to 228,389.37, 342,616.86 and 70,630.13 is: 105,955.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,389.37 : 342,616.86 = 70,630.13 : x
  2. Step 2: Convert to fraction form
    228,389.37/342,616.86 = 70,630.13/x
  3. Step 3: Cross multiply
    228,389.37x = 342,616.86 × 70,630.13
  4. Step 4: Simplify right side
    228,389.37x = 24,199,071,648.91
  5. Step 5: Solve for x
    x = 24,199,071,648.91/228,389.37
  6. Step 6: Final answer
    x = 105,955.33

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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.