Finding the Fourth Proportional to 97,460.36, 134,496.43 and 57,174.81
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Solution
The fourth proportional to 97,460.36, 134,496.43 and 57,174.81 is: 78,901.90
Step by Step Solution
- Step 1: Write the proportion equation
97,460.36 : 134,496.43 = 57,174.81 : x - Step 2: Convert to fraction form
97,460.36/134,496.43 = 57,174.81/x - Step 3: Cross multiply
97,460.36x = 134,496.43 × 57,174.81 - Step 4: Simplify right side
97,460.36x = 7,689,807,940.17 - Step 5: Solve for x
x = 7,689,807,940.17/97,460.36 - Step 6: Final answer
x = 78,901.90
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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.