Finding the Fourth Proportional to 377,437.95, 520,878.70 and 216,324.09
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Solution
The fourth proportional to 377,437.95, 520,878.70 and 216,324.09 is: 298,535.46
Step by Step Solution
- Step 1: Write the proportion equation
377,437.95 : 520,878.70 = 216,324.09 : x - Step 2: Convert to fraction form
377,437.95/520,878.70 = 216,324.09/x - Step 3: Cross multiply
377,437.95x = 520,878.70 × 216,324.09 - Step 4: Simplify right side
377,437.95x = 112,678,612,513.26 - Step 5: Solve for x
x = 112,678,612,513.26/377,437.95 - Step 6: Final answer
x = 298,535.46
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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.