Finding the Fourth Proportional to 211,227.23, 316,816.19 and 84,862.37
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Solution
The fourth proportional to 211,227.23, 316,816.19 and 84,862.37 is: 127,283.65
Step by Step Solution
- Step 1: Write the proportion equation
211,227.23 : 316,816.19 = 84,862.37 : x - Step 2: Convert to fraction form
211,227.23/316,816.19 = 84,862.37/x - Step 3: Cross multiply
211,227.23x = 316,816.19 × 84,862.37 - Step 4: Simplify right side
211,227.23x = 26,885,772,737.77 - Step 5: Solve for x
x = 26,885,772,737.77/211,227.23 - Step 6: Final answer
x = 127,283.65
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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.