Home / 248,916.88-343,531.21-153,421.12

Finding the Fourth Proportional to 248,916.88, 343,531.21 and 153,421.12

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Solution

The fourth proportional to 248,916.88, 343,531.21 and 153,421.12 is: 211,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,916.88 : 343,531.21 = 153,421.12 : x
  2. Step 2: Convert to fraction form
    248,916.88/343,531.21 = 153,421.12/x
  3. Step 3: Cross multiply
    248,916.88x = 343,531.21 × 153,421.12
  4. Step 4: Simplify right side
    248,916.88x = 52,704,942,993.16
  5. Step 5: Solve for x
    x = 52,704,942,993.16/248,916.88
  6. Step 6: Final answer
    x = 211,737.12

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1.5x scale

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.