Finding the Fourth Proportional to 198,259.84, 273,551.34 and 113,375.08
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Solution
The fourth proportional to 198,259.84, 273,551.34 and 113,375.08 is: 156,430.60
Step by Step Solution
- Step 1: Write the proportion equation
198,259.84 : 273,551.34 = 113,375.08 : x - Step 2: Convert to fraction form
198,259.84/273,551.34 = 113,375.08/x - Step 3: Cross multiply
198,259.84x = 273,551.34 × 113,375.08 - Step 4: Simplify right side
198,259.84x = 31,013,905,056.61 - Step 5: Solve for x
x = 31,013,905,056.61/198,259.84 - Step 6: Final answer
x = 156,430.60
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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.