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Finding the Fourth Proportional to 248,129.58, 342,417.87 and 134,954.22

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Solution

The fourth proportional to 248,129.58, 342,417.87 and 134,954.22 is: 186,236.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,129.58 : 342,417.87 = 134,954.22 : x
  2. Step 2: Convert to fraction form
    248,129.58/342,417.87 = 134,954.22/x
  3. Step 3: Cross multiply
    248,129.58x = 342,417.87 × 134,954.22
  4. Step 4: Simplify right side
    248,129.58x = 46,210,736,559.91
  5. Step 5: Solve for x
    x = 46,210,736,559.91/248,129.58
  6. Step 6: Final answer
    x = 186,236.31

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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.