Finding the Fourth Proportional to 145,750.40, 218,625.62 and 112,518.96
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Solution
The fourth proportional to 145,750.40, 218,625.62 and 112,518.96 is: 168,778.46
Step by Step Solution
- Step 1: Write the proportion equation
145,750.40 : 218,625.62 = 112,518.96 : x - Step 2: Convert to fraction form
145,750.40/218,625.62 = 112,518.96/x - Step 3: Cross multiply
145,750.40x = 218,625.62 × 112,518.96 - Step 4: Simplify right side
145,750.40x = 24,599,527,391.76 - Step 5: Solve for x
x = 24,599,527,391.76/145,750.40 - Step 6: Final answer
x = 168,778.46
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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.