Finding the Fourth Proportional to 138,477.29, 207,750.98 and 38,637.44
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Solution
The fourth proportional to 138,477.29, 207,750.98 and 38,637.44 is: 57,965.94
Step by Step Solution
- Step 1: Write the proportion equation
138,477.29 : 207,750.98 = 38,637.44 : x - Step 2: Convert to fraction form
138,477.29/207,750.98 = 38,637.44/x - Step 3: Cross multiply
138,477.29x = 207,750.98 × 38,637.44 - Step 4: Simplify right side
138,477.29x = 8,026,966,350.88 - Step 5: Solve for x
x = 8,026,966,350.88/138,477.29 - Step 6: Final answer
x = 57,965.94
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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.