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Finding the Fourth Proportional to 554,670.38, 832,477.67 and 217,946.49

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Solution

The fourth proportional to 554,670.38, 832,477.67 and 217,946.49 is: 327,105.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,670.38 : 832,477.67 = 217,946.49 : x
  2. Step 2: Convert to fraction form
    554,670.38/832,477.67 = 217,946.49/x
  3. Step 3: Cross multiply
    554,670.38x = 832,477.67 × 217,946.49
  4. Step 4: Simplify right side
    554,670.38x = 181,435,585,090.15
  5. Step 5: Solve for x
    x = 181,435,585,090.15/554,670.38
  6. Step 6: Final answer
    x = 327,105.24

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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.