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Finding the Fourth Proportional to 273,368.40, 410,225.40 and 161,048.40

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Solution

The fourth proportional to 273,368.40, 410,225.40 and 161,048.40 is: 241,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,368.40 : 410,225.40 = 161,048.40 : x
  2. Step 2: Convert to fraction form
    273,368.40/410,225.40 = 161,048.40/x
  3. Step 3: Cross multiply
    273,368.40x = 410,225.40 × 161,048.40
  4. Step 4: Simplify right side
    273,368.40x = 66,066,144,309.36
  5. Step 5: Solve for x
    x = 66,066,144,309.36/273,368.40
  6. Step 6: Final answer
    x = 241,674.40

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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.