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Finding the Fourth Proportional to 345,369.54, 517,097.73 and 176,526.27

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Solution

The fourth proportional to 345,369.54, 517,097.73 and 176,526.27 is: 264,300.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,369.54 : 517,097.73 = 176,526.27 : x
  2. Step 2: Convert to fraction form
    345,369.54/517,097.73 = 176,526.27/x
  3. Step 3: Cross multiply
    345,369.54x = 517,097.73 × 176,526.27
  4. Step 4: Simplify right side
    345,369.54x = 91,281,333,502.37
  5. Step 5: Solve for x
    x = 91,281,333,502.37/345,369.54
  6. Step 6: Final answer
    x = 264,300.48

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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.