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Finding the Fourth Proportional to 260,726.52, 359,730.20 and 147,546.84

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Solution

The fourth proportional to 260,726.52, 359,730.20 and 147,546.84 is: 203,573.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,726.52 : 359,730.20 = 147,546.84 : x
  2. Step 2: Convert to fraction form
    260,726.52/359,730.20 = 147,546.84/x
  3. Step 3: Cross multiply
    260,726.52x = 359,730.20 × 147,546.84
  4. Step 4: Simplify right side
    260,726.52x = 53,077,054,262.57
  5. Step 5: Solve for x
    x = 53,077,054,262.57/260,726.52
  6. Step 6: Final answer
    x = 203,573.67

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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.