Finding the Fourth Proportional to 145,860.06, 201,336.64 and 85,449.98
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Solution
The fourth proportional to 145,860.06, 201,336.64 and 85,449.98 is: 117,950.12
Step by Step Solution
- Step 1: Write the proportion equation
145,860.06 : 201,336.64 = 85,449.98 : x - Step 2: Convert to fraction form
145,860.06/201,336.64 = 85,449.98/x - Step 3: Cross multiply
145,860.06x = 201,336.64 × 85,449.98 - Step 4: Simplify right side
145,860.06x = 17,204,211,861.27 - Step 5: Solve for x
x = 17,204,211,861.27/145,860.06 - Step 6: Final answer
x = 117,950.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.