Finding the Fourth Proportional to 227,582.70, 341,374.05 and 85,427.70
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Solution
The fourth proportional to 227,582.70, 341,374.05 and 85,427.70 is: 128,141.55
Step by Step Solution
- Step 1: Write the proportion equation
227,582.70 : 341,374.05 = 85,427.70 : x - Step 2: Convert to fraction form
227,582.70/341,374.05 = 85,427.70/x - Step 3: Cross multiply
227,582.70x = 341,374.05 × 85,427.70 - Step 4: Simplify right side
227,582.70x = 29,162,799,931.19 - Step 5: Solve for x
x = 29,162,799,931.19/227,582.70 - Step 6: Final answer
x = 128,141.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.