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Finding the Fourth Proportional to 308,598.61, 462,894.62 and 234,175.81

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Solution

The fourth proportional to 308,598.61, 462,894.62 and 234,175.81 is: 351,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,598.61 : 462,894.62 = 234,175.81 : x
  2. Step 2: Convert to fraction form
    308,598.61/462,894.62 = 234,175.81/x
  3. Step 3: Cross multiply
    308,598.61x = 462,894.62 × 234,175.81
  4. Step 4: Simplify right side
    308,598.61x = 108,398,721,412.26
  5. Step 5: Solve for x
    x = 108,398,721,412.26/308,598.61
  6. Step 6: Final answer
    x = 351,261.21

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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.