Home / 281,557.29-388,237.72-179,420.98

Finding the Fourth Proportional to 281,557.29, 388,237.72 and 179,420.98

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Solution

The fourth proportional to 281,557.29, 388,237.72 and 179,420.98 is: 247,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,557.29 : 388,237.72 = 179,420.98 : x
  2. Step 2: Convert to fraction form
    281,557.29/388,237.72 = 179,420.98/x
  3. Step 3: Cross multiply
    281,557.29x = 388,237.72 × 179,420.98
  4. Step 4: Simplify right side
    281,557.29x = 69,657,992,195.37
  5. Step 5: Solve for x
    x = 69,657,992,195.37/281,557.29
  6. Step 6: Final answer
    x = 247,402.55

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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.