Home / 274,570.42-378,641.02-214,119.01

Finding the Fourth Proportional to 274,570.42, 378,641.02 and 214,119.01

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Solution

The fourth proportional to 274,570.42, 378,641.02 and 214,119.01 is: 295,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,570.42 : 378,641.02 = 214,119.01 : x
  2. Step 2: Convert to fraction form
    274,570.42/378,641.02 = 214,119.01/x
  3. Step 3: Cross multiply
    274,570.42x = 378,641.02 × 214,119.01
  4. Step 4: Simplify right side
    274,570.42x = 81,074,240,347.79
  5. Step 5: Solve for x
    x = 81,074,240,347.79/274,570.42
  6. Step 6: Final answer
    x = 295,276.67

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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.