Home / 248,737.11-343,312.59-158,075.38

Finding the Fourth Proportional to 248,737.11, 343,312.59 and 158,075.38

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Solution

The fourth proportional to 248,737.11, 343,312.59 and 158,075.38 is: 218,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,737.11 : 343,312.59 = 158,075.38 : x
  2. Step 2: Convert to fraction form
    248,737.11/343,312.59 = 158,075.38/x
  3. Step 3: Cross multiply
    248,737.11x = 343,312.59 × 158,075.38
  4. Step 4: Simplify right side
    248,737.11x = 54,269,268,123.03
  5. Step 5: Solve for x
    x = 54,269,268,123.03/248,737.11
  6. Step 6: Final answer
    x = 218,179.22

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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.