Home / 328,814.94-493,244.28-115,557.06

Finding the Fourth Proportional to 328,814.94, 493,244.28 and 115,557.06

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Solution

The fourth proportional to 328,814.94, 493,244.28 and 115,557.06 is: 173,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,814.94 : 493,244.28 = 115,557.06 : x
  2. Step 2: Convert to fraction form
    328,814.94/493,244.28 = 115,557.06/x
  3. Step 3: Cross multiply
    328,814.94x = 493,244.28 × 115,557.06
  4. Step 4: Simplify right side
    328,814.94x = 56,997,858,858.62
  5. Step 5: Solve for x
    x = 56,997,858,858.62/328,814.94
  6. Step 6: Final answer
    x = 173,343.28

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1.5x scale

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.