Finding the Fourth Proportional to 377,633.09, 521,118.29 and 216,376.00
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Solution
The fourth proportional to 377,633.09, 521,118.29 and 216,376.00 is: 298,590.07
Step by Step Solution
- Step 1: Write the proportion equation
377,633.09 : 521,118.29 = 216,376.00 : x - Step 2: Convert to fraction form
377,633.09/521,118.29 = 216,376.00/x - Step 3: Cross multiply
377,633.09x = 521,118.29 × 216,376.00 - Step 4: Simplify right side
377,633.09x = 112,757,490,355.18 - Step 5: Solve for x
x = 112,757,490,355.18/377,633.09 - Step 6: Final answer
x = 298,590.07
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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.