Finding the Fourth Proportional to 370,221.36, 555,352.81 and 103,961.11
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Solution
The fourth proportional to 370,221.36, 555,352.81 and 103,961.11 is: 155,947.50
Step by Step Solution
- Step 1: Write the proportion equation
370,221.36 : 555,352.81 = 103,961.11 : x - Step 2: Convert to fraction form
370,221.36/555,352.81 = 103,961.11/x - Step 3: Cross multiply
370,221.36x = 555,352.81 × 103,961.11 - Step 4: Simplify right side
370,221.36x = 57,735,094,049.41 - Step 5: Solve for x
x = 57,735,094,049.41/370,221.36 - Step 6: Final answer
x = 155,947.50
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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.