Home / 355,225.20-532,378.50-265,776.90

Finding the Fourth Proportional to 355,225.20, 532,378.50 and 265,776.90

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Solution

The fourth proportional to 355,225.20, 532,378.50 and 265,776.90 is: 398,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,225.20 : 532,378.50 = 265,776.90 : x
  2. Step 2: Convert to fraction form
    355,225.20/532,378.50 = 265,776.90/x
  3. Step 3: Cross multiply
    355,225.20x = 532,378.50 × 265,776.90
  4. Step 4: Simplify right side
    355,225.20x = 141,493,907,356.65
  5. Step 5: Solve for x
    x = 141,493,907,356.65/355,225.20
  6. Step 6: Final answer
    x = 398,321.71

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1.5x scale

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.