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Finding the Fourth Proportional to 359,032.93, 538,563.06 and 134,369.71

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Solution

The fourth proportional to 359,032.93, 538,563.06 and 134,369.71 is: 201,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,032.93 : 538,563.06 = 134,369.71 : x
  2. Step 2: Convert to fraction form
    359,032.93/538,563.06 = 134,369.71/x
  3. Step 3: Cross multiply
    359,032.93x = 538,563.06 × 134,369.71
  4. Step 4: Simplify right side
    359,032.93x = 72,366,560,842.51
  5. Step 5: Solve for x
    x = 72,366,560,842.51/359,032.93
  6. Step 6: Final answer
    x = 201,559.68

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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.