Finding the Fourth Proportional to 506,423.48, 698,836.19 and 276,935.09
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Solution
The fourth proportional to 506,423.48, 698,836.19 and 276,935.09 is: 382,154.99
Step by Step Solution
- Step 1: Write the proportion equation
506,423.48 : 698,836.19 = 276,935.09 : x - Step 2: Convert to fraction form
506,423.48/698,836.19 = 276,935.09/x - Step 3: Cross multiply
506,423.48x = 698,836.19 × 276,935.09 - Step 4: Simplify right side
506,423.48x = 193,532,258,294.05 - Step 5: Solve for x
x = 193,532,258,294.05/506,423.48 - Step 6: Final answer
x = 382,154.99
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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.