Home / 248,915.63-343,529.48-153,419.87

Finding the Fourth Proportional to 248,915.63, 343,529.48 and 153,419.87

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Solution

The fourth proportional to 248,915.63, 343,529.48 and 153,419.87 is: 211,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,915.63 : 343,529.48 = 153,419.87 : x
  2. Step 2: Convert to fraction form
    248,915.63/343,529.48 = 153,419.87/x
  3. Step 3: Cross multiply
    248,915.63x = 343,529.48 × 153,419.87
  4. Step 4: Simplify right side
    248,915.63x = 52,704,246,828.67
  5. Step 5: Solve for x
    x = 52,704,246,828.67/248,915.63
  6. Step 6: Final answer
    x = 211,735.39

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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.