Finding the Fourth Proportional to 163,529.06, 245,291.15 and 45,197.78
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Solution
The fourth proportional to 163,529.06, 245,291.15 and 45,197.78 is: 67,795.99
Step by Step Solution
- Step 1: Write the proportion equation
163,529.06 : 245,291.15 = 45,197.78 : x - Step 2: Convert to fraction form
163,529.06/245,291.15 = 45,197.78/x - Step 3: Cross multiply
163,529.06x = 245,291.15 × 45,197.78 - Step 4: Simplify right side
163,529.06x = 11,086,614,320.19 - Step 5: Solve for x
x = 11,086,614,320.19/163,529.06 - Step 6: Final answer
x = 67,795.99
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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.