Finding the Fourth Proportional to 151,480.24, 209,033.21 and 83,493.47
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Solution
The fourth proportional to 151,480.24, 209,033.21 and 83,493.47 is: 115,215.75
Step by Step Solution
- Step 1: Write the proportion equation
151,480.24 : 209,033.21 = 83,493.47 : x - Step 2: Convert to fraction form
151,480.24/209,033.21 = 83,493.47/x - Step 3: Cross multiply
151,480.24x = 209,033.21 × 83,493.47 - Step 4: Simplify right side
151,480.24x = 17,452,908,779.46 - Step 5: Solve for x
x = 17,452,908,779.46/151,480.24 - Step 6: Final answer
x = 115,215.75
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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.