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Finding the Fourth Proportional to 346,954.93, 478,651.17 and 232,270.52

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Solution

The fourth proportional to 346,954.93, 478,651.17 and 232,270.52 is: 320,435.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,954.93 : 478,651.17 = 232,270.52 : x
  2. Step 2: Convert to fraction form
    346,954.93/478,651.17 = 232,270.52/x
  3. Step 3: Cross multiply
    346,954.93x = 478,651.17 × 232,270.52
  4. Step 4: Simplify right side
    346,954.93x = 111,176,554,632.27
  5. Step 5: Solve for x
    x = 111,176,554,632.27/346,954.93
  6. Step 6: Final answer
    x = 320,435.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.