Finding the Fourth Proportional to 151,472.08, 209,040.60 and 83,488.96
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Solution
The fourth proportional to 151,472.08, 209,040.60 and 83,488.96 is: 115,219.80
Step by Step Solution
- Step 1: Write the proportion equation
151,472.08 : 209,040.60 = 83,488.96 : x - Step 2: Convert to fraction form
151,472.08/209,040.60 = 83,488.96/x - Step 3: Cross multiply
151,472.08x = 209,040.60 × 83,488.96 - Step 4: Simplify right side
151,472.08x = 17,452,582,291.78 - Step 5: Solve for x
x = 17,452,582,291.78/151,472.08 - Step 6: Final answer
x = 115,219.80
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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.