Finding the Fourth Proportional to 216,102.93, 297,865.11 and 144,456.81
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Solution
The fourth proportional to 216,102.93, 297,865.11 and 144,456.81 is: 199,111.80
Step by Step Solution
- Step 1: Write the proportion equation
216,102.93 : 297,865.11 = 144,456.81 : x - Step 2: Convert to fraction form
216,102.93/297,865.11 = 144,456.81/x - Step 3: Cross multiply
216,102.93x = 297,865.11 × 144,456.81 - Step 4: Simplify right side
216,102.93x = 43,028,643,600.90 - Step 5: Solve for x
x = 43,028,643,600.90/216,102.93 - Step 6: Final answer
x = 199,111.80
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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.