Home / 248,532.48-342,969.12-135,352.80

Finding the Fourth Proportional to 248,532.48, 342,969.12 and 135,352.80

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Solution

The fourth proportional to 248,532.48, 342,969.12 and 135,352.80 is: 186,783.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,532.48 : 342,969.12 = 135,352.80 : x
  2. Step 2: Convert to fraction form
    248,532.48/342,969.12 = 135,352.80/x
  3. Step 3: Cross multiply
    248,532.48x = 342,969.12 × 135,352.80
  4. Step 4: Simplify right side
    248,532.48x = 46,421,830,705.54
  5. Step 5: Solve for x
    x = 46,421,830,705.54/248,532.48
  6. Step 6: Final answer
    x = 186,783.76

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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.