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Finding the Fourth Proportional to 228,210.57, 342,396.95 and 101,839.32

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Solution

The fourth proportional to 228,210.57, 342,396.95 and 101,839.32 is: 152,795.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,210.57 : 342,396.95 = 101,839.32 : x
  2. Step 2: Convert to fraction form
    228,210.57/342,396.95 = 101,839.32/x
  3. Step 3: Cross multiply
    228,210.57x = 342,396.95 × 101,839.32
  4. Step 4: Simplify right side
    228,210.57x = 34,869,472,048.88
  5. Step 5: Solve for x
    x = 34,869,472,048.88/228,210.57
  6. Step 6: Final answer
    x = 152,795.17

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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.