Finding the Fourth Proportional to 377,501.72, 520,974.84 and 216,367.14
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Solution
The fourth proportional to 377,501.72, 520,974.84 and 216,367.14 is: 298,599.53
Step by Step Solution
- Step 1: Write the proportion equation
377,501.72 : 520,974.84 = 216,367.14 : x - Step 2: Convert to fraction form
377,501.72/520,974.84 = 216,367.14/x - Step 3: Cross multiply
377,501.72x = 520,974.84 × 216,367.14 - Step 4: Simplify right side
377,501.72x = 112,721,836,142.76 - Step 5: Solve for x
x = 112,721,836,142.76/377,501.72 - Step 6: Final answer
x = 298,599.53
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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.