Home / 208,248.40-312,369.84-50,478.24

Finding the Fourth Proportional to 208,248.40, 312,369.84 and 50,478.24

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Solution

The fourth proportional to 208,248.40, 312,369.84 and 50,478.24 is: 75,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,248.40 : 312,369.84 = 50,478.24 : x
  2. Step 2: Convert to fraction form
    208,248.40/312,369.84 = 50,478.24/x
  3. Step 3: Cross multiply
    208,248.40x = 312,369.84 × 50,478.24
  4. Step 4: Simplify right side
    208,248.40x = 15,767,879,752.28
  5. Step 5: Solve for x
    x = 15,767,879,752.28/208,248.40
  6. Step 6: Final answer
    x = 75,716.69

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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.