Finding the Fourth Proportional to 135,306.95, 202,851.05 and 56,480.18
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Solution
The fourth proportional to 135,306.95, 202,851.05 and 56,480.18 is: 84,674.61
Step by Step Solution
- Step 1: Write the proportion equation
135,306.95 : 202,851.05 = 56,480.18 : x - Step 2: Convert to fraction form
135,306.95/202,851.05 = 56,480.18/x - Step 3: Cross multiply
135,306.95x = 202,851.05 × 56,480.18 - Step 4: Simplify right side
135,306.95x = 11,457,062,520.53 - Step 5: Solve for x
x = 11,457,062,520.53/135,306.95 - Step 6: Final answer
x = 84,674.61
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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.