Home / 274,323.47-378,551.12-153,441.39

Finding the Fourth Proportional to 274,323.47, 378,551.12 and 153,441.39

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Solution

The fourth proportional to 274,323.47, 378,551.12 and 153,441.39 is: 211,740.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,323.47 : 378,551.12 = 153,441.39 : x
  2. Step 2: Convert to fraction form
    274,323.47/378,551.12 = 153,441.39/x
  3. Step 3: Cross multiply
    274,323.47x = 378,551.12 × 153,441.39
  4. Step 4: Simplify right side
    274,323.47x = 58,085,409,271.65
  5. Step 5: Solve for x
    x = 58,085,409,271.65/274,323.47
  6. Step 6: Final answer
    x = 211,740.58

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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.