Finding the Fourth Proportional to 377,769.84, 521,324.28 and 216,630.96
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Solution
The fourth proportional to 377,769.84, 521,324.28 and 216,630.96 is: 298,951.81
Step by Step Solution
- Step 1: Write the proportion equation
377,769.84 : 521,324.28 = 216,630.96 : x - Step 2: Convert to fraction form
377,769.84/521,324.28 = 216,630.96/x - Step 3: Cross multiply
377,769.84x = 521,324.28 × 216,630.96 - Step 4: Simplify right side
377,769.84x = 112,934,979,247.71 - Step 5: Solve for x
x = 112,934,979,247.71/377,769.84 - Step 6: Final answer
x = 298,951.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.