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Finding the Fourth Proportional to 260,675.36, 359,710.48 and 153,249.92

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Solution

The fourth proportional to 260,675.36, 359,710.48 and 153,249.92 is: 211,472.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,675.36 : 359,710.48 = 153,249.92 : x
  2. Step 2: Convert to fraction form
    260,675.36/359,710.48 = 153,249.92/x
  3. Step 3: Cross multiply
    260,675.36x = 359,710.48 × 153,249.92
  4. Step 4: Simplify right side
    260,675.36x = 55,125,602,283.16
  5. Step 5: Solve for x
    x = 55,125,602,283.16/260,675.36
  6. Step 6: Final answer
    x = 211,472.24

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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.