Finding the Fourth Proportional to 216,797.41, 299,157.02 and 119,985.88
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Solution
The fourth proportional to 216,797.41, 299,157.02 and 119,985.88 is: 165,567.56
Step by Step Solution
- Step 1: Write the proportion equation
216,797.41 : 299,157.02 = 119,985.88 : x - Step 2: Convert to fraction form
216,797.41/299,157.02 = 119,985.88/x - Step 3: Cross multiply
216,797.41x = 299,157.02 × 119,985.88 - Step 4: Simplify right side
216,797.41x = 35,894,619,144.76 - Step 5: Solve for x
x = 35,894,619,144.76/216,797.41 - Step 6: Final answer
x = 165,567.56
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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.