Finding the Fourth Proportional to 147,428.36, 203,290.36 and 99,598.66
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Solution
The fourth proportional to 147,428.36, 203,290.36 and 99,598.66 is: 137,337.53
Step by Step Solution
- Step 1: Write the proportion equation
147,428.36 : 203,290.36 = 99,598.66 : x - Step 2: Convert to fraction form
147,428.36/203,290.36 = 99,598.66/x - Step 3: Cross multiply
147,428.36x = 203,290.36 × 99,598.66 - Step 4: Simplify right side
147,428.36x = 20,247,447,446.92 - Step 5: Solve for x
x = 20,247,447,446.92/147,428.36 - Step 6: Final answer
x = 137,337.53
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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.