Finding the Fourth Proportional to 216,462.84, 298,716.84 and 120,967.08
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Solution
The fourth proportional to 216,462.84, 298,716.84 and 120,967.08 is: 166,933.52
Step by Step Solution
- Step 1: Write the proportion equation
216,462.84 : 298,716.84 = 120,967.08 : x - Step 2: Convert to fraction form
216,462.84/298,716.84 = 120,967.08/x - Step 3: Cross multiply
216,462.84x = 298,716.84 × 120,967.08 - Step 4: Simplify right side
216,462.84x = 36,134,903,881.63 - Step 5: Solve for x
x = 36,134,903,881.63/216,462.84 - Step 6: Final answer
x = 166,933.52
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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.