Finding the Fourth Proportional to 119,302.95, 164,628.28 and 70,236.78
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Solution
The fourth proportional to 119,302.95, 164,628.28 and 70,236.78 is: 96,920.99
Step by Step Solution
- Step 1: Write the proportion equation
119,302.95 : 164,628.28 = 70,236.78 : x - Step 2: Convert to fraction form
119,302.95/164,628.28 = 70,236.78/x - Step 3: Cross multiply
119,302.95x = 164,628.28 × 70,236.78 - Step 4: Simplify right side
119,302.95x = 11,562,960,284.14 - Step 5: Solve for x
x = 11,562,960,284.14/119,302.95 - Step 6: Final answer
x = 96,920.99
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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.