Finding the Fourth Proportional to 144,897.74, 216,291.21 and 134,213.08
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Solution
The fourth proportional to 144,897.74, 216,291.21 and 134,213.08 is: 200,342.04
Step by Step Solution
- Step 1: Write the proportion equation
144,897.74 : 216,291.21 = 134,213.08 : x - Step 2: Convert to fraction form
144,897.74/216,291.21 = 134,213.08/x - Step 3: Cross multiply
144,897.74x = 216,291.21 × 134,213.08 - Step 4: Simplify right side
144,897.74x = 29,029,109,471.03 - Step 5: Solve for x
x = 29,029,109,471.03/144,897.74 - Step 6: Final answer
x = 200,342.04
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.