Home / 384,531.36-530,650.26-223,480.68

Finding the Fourth Proportional to 384,531.36, 530,650.26 and 223,480.68

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Solution

The fourth proportional to 384,531.36, 530,650.26 and 223,480.68 is: 308,401.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,531.36 : 530,650.26 = 223,480.68 : x
  2. Step 2: Convert to fraction form
    384,531.36/530,650.26 = 223,480.68/x
  3. Step 3: Cross multiply
    384,531.36x = 530,650.26 × 223,480.68
  4. Step 4: Simplify right side
    384,531.36x = 118,590,080,946.98
  5. Step 5: Solve for x
    x = 118,590,080,946.98/384,531.36
  6. Step 6: Final answer
    x = 308,401.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.