Home / 248,916.13-343,530.18-153,420.37

Finding the Fourth Proportional to 248,916.13, 343,530.18 and 153,420.37

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Solution

The fourth proportional to 248,916.13, 343,530.18 and 153,420.37 is: 211,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,916.13 : 343,530.18 = 153,420.37 : x
  2. Step 2: Convert to fraction form
    248,916.13/343,530.18 = 153,420.37/x
  3. Step 3: Cross multiply
    248,916.13x = 343,530.18 × 153,420.37
  4. Step 4: Simplify right side
    248,916.13x = 52,704,524,837.01
  5. Step 5: Solve for x
    x = 52,704,524,837.01/248,916.13
  6. Step 6: Final answer
    x = 211,736.08

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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.