Finding the Fourth Proportional to 369,748.48, 554,684.08 and 129,800.18
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Solution
The fourth proportional to 369,748.48, 554,684.08 and 129,800.18 is: 194,721.81
Step by Step Solution
- Step 1: Write the proportion equation
369,748.48 : 554,684.08 = 129,800.18 : x - Step 2: Convert to fraction form
369,748.48/554,684.08 = 129,800.18/x - Step 3: Cross multiply
369,748.48x = 554,684.08 × 129,800.18 - Step 4: Simplify right side
369,748.48x = 71,998,093,427.13 - Step 5: Solve for x
x = 71,998,093,427.13/369,748.48 - Step 6: Final answer
x = 194,721.81
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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.