Home / 328,978.26-493,434.18-223,042.41

Finding the Fourth Proportional to 328,978.26, 493,434.18 and 223,042.41

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Solution

The fourth proportional to 328,978.26, 493,434.18 and 223,042.41 is: 334,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,978.26 : 493,434.18 = 223,042.41 : x
  2. Step 2: Convert to fraction form
    328,978.26/493,434.18 = 223,042.41/x
  3. Step 3: Cross multiply
    328,978.26x = 493,434.18 × 223,042.41
  4. Step 4: Simplify right side
    328,978.26x = 110,056,748,683.57
  5. Step 5: Solve for x
    x = 110,056,748,683.57/328,978.26
  6. Step 6: Final answer
    x = 334,541.10

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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.