Finding the Fourth Proportional to 216,562.29, 298,856.63 and 121,068.99
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Solution
The fourth proportional to 216,562.29, 298,856.63 and 121,068.99 is: 167,075.57
Step by Step Solution
- Step 1: Write the proportion equation
216,562.29 : 298,856.63 = 121,068.99 : x - Step 2: Convert to fraction form
216,562.29/298,856.63 = 121,068.99/x - Step 3: Cross multiply
216,562.29x = 298,856.63 × 121,068.99 - Step 4: Simplify right side
216,562.29x = 36,182,269,274.98 - Step 5: Solve for x
x = 36,182,269,274.98/216,562.29 - Step 6: Final answer
x = 167,075.57
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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.