Finding the Fourth Proportional to 145,048.64, 217,583.49 and 60,723.99
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Solution
The fourth proportional to 145,048.64, 217,583.49 and 60,723.99 is: 91,090.40
Step by Step Solution
- Step 1: Write the proportion equation
145,048.64 : 217,583.49 = 60,723.99 : x - Step 2: Convert to fraction form
145,048.64/217,583.49 = 60,723.99/x - Step 3: Cross multiply
145,048.64x = 217,583.49 × 60,723.99 - Step 4: Simplify right side
145,048.64x = 13,212,537,670.93 - Step 5: Solve for x
x = 13,212,537,670.93/145,048.64 - Step 6: Final answer
x = 91,090.40
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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.