Finding the Fourth Proportional to 97,708.60, 146,497.20 and 38,513.80
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Solution
The fourth proportional to 97,708.60, 146,497.20 and 38,513.80 is: 57,744.80
Step by Step Solution
- Step 1: Write the proportion equation
97,708.60 : 146,497.20 = 38,513.80 : x - Step 2: Convert to fraction form
97,708.60/146,497.20 = 38,513.80/x - Step 3: Cross multiply
97,708.60x = 146,497.20 × 38,513.80 - Step 4: Simplify right side
97,708.60x = 5,642,163,861.36 - Step 5: Solve for x
x = 5,642,163,861.36/97,708.60 - Step 6: Final answer
x = 57,744.80
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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.