Home / 291,943.14-438,030.54-104,969.22

Finding the Fourth Proportional to 291,943.14, 438,030.54 and 104,969.22

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Solution

The fourth proportional to 291,943.14, 438,030.54 and 104,969.22 is: 157,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,943.14 : 438,030.54 = 104,969.22 : x
  2. Step 2: Convert to fraction form
    291,943.14/438,030.54 = 104,969.22/x
  3. Step 3: Cross multiply
    291,943.14x = 438,030.54 × 104,969.22
  4. Step 4: Simplify right side
    291,943.14x = 45,979,724,119.98
  5. Step 5: Solve for x
    x = 45,979,724,119.98/291,943.14
  6. Step 6: Final answer
    x = 157,495.48

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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.