Finding the Fourth Proportional to 97,750.60, 146,560.20 and 38,555.80
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Solution
The fourth proportional to 97,750.60, 146,560.20 and 38,555.80 is: 57,807.79
Step by Step Solution
- Step 1: Write the proportion equation
97,750.60 : 146,560.20 = 38,555.80 : x - Step 2: Convert to fraction form
97,750.60/146,560.20 = 38,555.80/x - Step 3: Cross multiply
97,750.60x = 146,560.20 × 38,555.80 - Step 4: Simplify right side
97,750.60x = 5,650,745,759.16 - Step 5: Solve for x
x = 5,650,745,759.16/97,750.60 - Step 6: Final answer
x = 57,807.79
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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.