Finding the Fourth Proportional to 217,026.68, 299,489.84 and 120,226.58
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Solution
The fourth proportional to 217,026.68, 299,489.84 and 120,226.58 is: 165,908.82
Step by Step Solution
- Step 1: Write the proportion equation
217,026.68 : 299,489.84 = 120,226.58 : x - Step 2: Convert to fraction form
217,026.68/299,489.84 = 120,226.58/x - Step 3: Cross multiply
217,026.68x = 299,489.84 × 120,226.58 - Step 4: Simplify right side
217,026.68x = 36,006,638,683.30 - Step 5: Solve for x
x = 36,006,638,683.30/217,026.68 - Step 6: Final answer
x = 165,908.82
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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.