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Finding the Fourth Proportional to 359,045.87, 538,582.47 and 134,382.65

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Solution

The fourth proportional to 359,045.87, 538,582.47 and 134,382.65 is: 201,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,045.87 : 538,582.47 = 134,382.65 : x
  2. Step 2: Convert to fraction form
    359,045.87/538,582.47 = 134,382.65/x
  3. Step 3: Cross multiply
    359,045.87x = 538,582.47 × 134,382.65
  4. Step 4: Simplify right side
    359,045.87x = 72,376,136,365.30
  5. Step 5: Solve for x
    x = 72,376,136,365.30/359,045.87
  6. Step 6: Final answer
    x = 201,579.08

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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.