Finding the Fourth Proportional to 138,232.08, 207,309.48 and 38,368.48
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Solution
The fourth proportional to 138,232.08, 207,309.48 and 38,368.48 is: 57,541.99
Step by Step Solution
- Step 1: Write the proportion equation
138,232.08 : 207,309.48 = 38,368.48 : x - Step 2: Convert to fraction form
138,232.08/207,309.48 = 38,368.48/x - Step 3: Cross multiply
138,232.08x = 207,309.48 × 38,368.48 - Step 4: Simplify right side
138,232.08x = 7,954,149,637.19 - Step 5: Solve for x
x = 7,954,149,637.19/138,232.08 - Step 6: Final answer
x = 57,541.99
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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.