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Finding the Fourth Proportional to 347,564.71, 521,370.76 and 110,925.24

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Solution

The fourth proportional to 347,564.71, 521,370.76 and 110,925.24 is: 166,395.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,564.71 : 521,370.76 = 110,925.24 : x
  2. Step 2: Convert to fraction form
    347,564.71/521,370.76 = 110,925.24/x
  3. Step 3: Cross multiply
    347,564.71x = 521,370.76 × 110,925.24
  4. Step 4: Simplify right side
    347,564.71x = 57,833,174,657.51
  5. Step 5: Solve for x
    x = 57,833,174,657.51/347,564.71
  6. Step 6: Final answer
    x = 166,395.42

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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.