Finding the Fourth Proportional to 135,661.80, 203,492.70 and 56,767.80
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Solution
The fourth proportional to 135,661.80, 203,492.70 and 56,767.80 is: 85,151.70
Step by Step Solution
- Step 1: Write the proportion equation
135,661.80 : 203,492.70 = 56,767.80 : x - Step 2: Convert to fraction form
135,661.80/203,492.70 = 56,767.80/x - Step 3: Cross multiply
135,661.80x = 203,492.70 × 56,767.80 - Step 4: Simplify right side
135,661.80x = 11,551,832,895.06 - Step 5: Solve for x
x = 11,551,832,895.06/135,661.80 - Step 6: Final answer
x = 85,151.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.