Home / 469,302.24-647,467.38-308,244.60

Finding the Fourth Proportional to 469,302.24, 647,467.38 and 308,244.60

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Solution

The fourth proportional to 469,302.24, 647,467.38 and 308,244.60 is: 425,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,302.24 : 647,467.38 = 308,244.60 : x
  2. Step 2: Convert to fraction form
    469,302.24/647,467.38 = 308,244.60/x
  3. Step 3: Cross multiply
    469,302.24x = 647,467.38 × 308,244.60
  4. Step 4: Simplify right side
    469,302.24x = 199,578,323,561.15
  5. Step 5: Solve for x
    x = 199,578,323,561.15/469,302.24
  6. Step 6: Final answer
    x = 425,266.08

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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.