Home / 248,534.74-342,977.88-135,357.49

Finding the Fourth Proportional to 248,534.74, 342,977.88 and 135,357.49

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Solution

The fourth proportional to 248,534.74, 342,977.88 and 135,357.49 is: 186,793.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,534.74 : 342,977.88 = 135,357.49 : x
  2. Step 2: Convert to fraction form
    248,534.74/342,977.88 = 135,357.49/x
  3. Step 3: Cross multiply
    248,534.74x = 342,977.88 × 135,357.49
  4. Step 4: Simplify right side
    248,534.74x = 46,424,624,962.32
  5. Step 5: Solve for x
    x = 46,424,624,962.32/248,534.74
  6. Step 6: Final answer
    x = 186,793.30

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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.