Finding the Fourth Proportional to 138,623.01, 207,762.26 and 63,663.63
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Solution
The fourth proportional to 138,623.01, 207,762.26 and 63,663.63 is: 95,416.33
Step by Step Solution
- Step 1: Write the proportion equation
138,623.01 : 207,762.26 = 63,663.63 : x - Step 2: Convert to fraction form
138,623.01/207,762.26 = 63,663.63/x - Step 3: Cross multiply
138,623.01x = 207,762.26 × 63,663.63 - Step 4: Simplify right side
138,623.01x = 13,226,899,330.29 - Step 5: Solve for x
x = 13,226,899,330.29/138,623.01 - Step 6: Final answer
x = 95,416.33
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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.