Finding the Fourth Proportional to 97,632.60, 146,383.26 and 38,437.80
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Solution
The fourth proportional to 97,632.60, 146,383.26 and 38,437.80 is: 57,630.86
Step by Step Solution
- Step 1: Write the proportion equation
97,632.60 : 146,383.26 = 38,437.80 : x - Step 2: Convert to fraction form
97,632.60/146,383.26 = 38,437.80/x - Step 3: Cross multiply
97,632.60x = 146,383.26 × 38,437.80 - Step 4: Simplify right side
97,632.60x = 5,626,650,471.23 - Step 5: Solve for x
x = 5,626,650,471.23/97,632.60 - Step 6: Final answer
x = 57,630.86
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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.