Finding the Fourth Proportional to 108,783.89, 163,240.55 and 58,862.99
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Solution
The fourth proportional to 108,783.89, 163,240.55 and 58,862.99 is: 88,329.50
Step by Step Solution
- Step 1: Write the proportion equation
108,783.89 : 163,240.55 = 58,862.99 : x - Step 2: Convert to fraction form
108,783.89/163,240.55 = 58,862.99/x - Step 3: Cross multiply
108,783.89x = 163,240.55 × 58,862.99 - Step 4: Simplify right side
108,783.89x = 9,608,826,862.24 - Step 5: Solve for x
x = 9,608,826,862.24/108,783.89 - Step 6: Final answer
x = 88,329.50
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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.