Home / 274,835.32-379,297.20-153,975.84

Finding the Fourth Proportional to 274,835.32, 379,297.20 and 153,975.84

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Solution

The fourth proportional to 274,835.32, 379,297.20 and 153,975.84 is: 212,500.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,835.32 : 379,297.20 = 153,975.84 : x
  2. Step 2: Convert to fraction form
    274,835.32/379,297.20 = 153,975.84/x
  3. Step 3: Cross multiply
    274,835.32x = 379,297.20 × 153,975.84
  4. Step 4: Simplify right side
    274,835.32x = 58,402,604,979.65
  5. Step 5: Solve for x
    x = 58,402,604,979.65/274,835.32
  6. Step 6: Final answer
    x = 212,500.36

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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.