Home / 401,388.15-553,941.26-265,183.16

Finding the Fourth Proportional to 401,388.15, 553,941.26 and 265,183.16

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Solution

The fourth proportional to 401,388.15, 553,941.26 and 265,183.16 is: 365,969.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,388.15 : 553,941.26 = 265,183.16 : x
  2. Step 2: Convert to fraction form
    401,388.15/553,941.26 = 265,183.16/x
  3. Step 3: Cross multiply
    401,388.15x = 553,941.26 × 265,183.16
  4. Step 4: Simplify right side
    401,388.15x = 146,895,889,685.56
  5. Step 5: Solve for x
    x = 146,895,889,685.56/401,388.15
  6. Step 6: Final answer
    x = 365,969.67

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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.