Home / 260,585.23-359,608.95-147,405.55

Finding the Fourth Proportional to 260,585.23, 359,608.95 and 147,405.55

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Solution

The fourth proportional to 260,585.23, 359,608.95 and 147,405.55 is: 203,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,585.23 : 359,608.95 = 147,405.55 : x
  2. Step 2: Convert to fraction form
    260,585.23/359,608.95 = 147,405.55/x
  3. Step 3: Cross multiply
    260,585.23x = 359,608.95 × 147,405.55
  4. Step 4: Simplify right side
    260,585.23x = 53,008,355,059.67
  5. Step 5: Solve for x
    x = 53,008,355,059.67/260,585.23
  6. Step 6: Final answer
    x = 203,420.41

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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.