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Finding the Fourth Proportional to 241,011.40, 361,518.38 and 72,530.57

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Solution

The fourth proportional to 241,011.40, 361,518.38 and 72,530.57 is: 108,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,011.40 : 361,518.38 = 72,530.57 : x
  2. Step 2: Convert to fraction form
    241,011.40/361,518.38 = 72,530.57/x
  3. Step 3: Cross multiply
    241,011.40x = 361,518.38 × 72,530.57
  4. Step 4: Simplify right side
    241,011.40x = 26,221,134,166.88
  5. Step 5: Solve for x
    x = 26,221,134,166.88/241,011.40
  6. Step 6: Final answer
    x = 108,796.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.