Finding the Fourth Proportional to 235,692.60, 353,150.10 and 221,695.80
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Solution
The fourth proportional to 235,692.60, 353,150.10 and 221,695.80 is: 332,177.99
Step by Step Solution
- Step 1: Write the proportion equation
235,692.60 : 353,150.10 = 221,695.80 : x - Step 2: Convert to fraction form
235,692.60/353,150.10 = 221,695.80/x - Step 3: Cross multiply
235,692.60x = 353,150.10 × 221,695.80 - Step 4: Simplify right side
235,692.60x = 78,291,893,939.58 - Step 5: Solve for x
x = 78,291,893,939.58/235,692.60 - Step 6: Final answer
x = 332,177.99
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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.