Finding the Fourth Proportional to 216,952.84, 299,406.18 and 121,453.84
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Solution
The fourth proportional to 216,952.84, 299,406.18 and 121,453.84 is: 167,612.60
Step by Step Solution
- Step 1: Write the proportion equation
216,952.84 : 299,406.18 = 121,453.84 : x - Step 2: Convert to fraction form
216,952.84/299,406.18 = 121,453.84/x - Step 3: Cross multiply
216,952.84x = 299,406.18 × 121,453.84 - Step 4: Simplify right side
216,952.84x = 36,364,030,280.73 - Step 5: Solve for x
x = 36,364,030,280.73/216,952.84 - Step 6: Final answer
x = 167,612.60
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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.