Home / 330,823.70-496,235.55-315,271.70

Finding the Fourth Proportional to 330,823.70, 496,235.55 and 315,271.70

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Solution

The fourth proportional to 330,823.70, 496,235.55 and 315,271.70 is: 472,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,823.70 : 496,235.55 = 315,271.70 : x
  2. Step 2: Convert to fraction form
    330,823.70/496,235.55 = 315,271.70/x
  3. Step 3: Cross multiply
    330,823.70x = 496,235.55 × 315,271.70
  4. Step 4: Simplify right side
    330,823.70x = 156,449,025,448.94
  5. Step 5: Solve for x
    x = 156,449,025,448.94/330,823.70
  6. Step 6: Final answer
    x = 472,907.55

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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.