Finding the Fourth Proportional to 191,897.40, 264,812.58 and 107,028.84
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Solution
The fourth proportional to 191,897.40, 264,812.58 and 107,028.84 is: 147,696.55
Step by Step Solution
- Step 1: Write the proportion equation
191,897.40 : 264,812.58 = 107,028.84 : x - Step 2: Convert to fraction form
191,897.40/264,812.58 = 107,028.84/x - Step 3: Cross multiply
191,897.40x = 264,812.58 × 107,028.84 - Step 4: Simplify right side
191,897.40x = 28,342,583,254.81 - Step 5: Solve for x
x = 28,342,583,254.81/191,897.40 - Step 6: Final answer
x = 147,696.55
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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.