Finding the Fourth Proportional to 97,708.20, 146,562.30 and 84,877.80
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Solution
The fourth proportional to 97,708.20, 146,562.30 and 84,877.80 is: 127,316.70
Step by Step Solution
- Step 1: Write the proportion equation
97,708.20 : 146,562.30 = 84,877.80 : x - Step 2: Convert to fraction form
97,708.20/146,562.30 = 84,877.80/x - Step 3: Cross multiply
97,708.20x = 146,562.30 × 84,877.80 - Step 4: Simplify right side
97,708.20x = 12,439,885,586.94 - Step 5: Solve for x
x = 12,439,885,586.94/97,708.20 - Step 6: Final answer
x = 127,316.70
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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.