Finding the Fourth Proportional to 115,368.14, 173,199.82 and 97,948.64
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Solution
The fourth proportional to 115,368.14, 173,199.82 and 97,948.64 is: 147,048.28
Step by Step Solution
- Step 1: Write the proportion equation
115,368.14 : 173,199.82 = 97,948.64 : x - Step 2: Convert to fraction form
115,368.14/173,199.82 = 97,948.64/x - Step 3: Cross multiply
115,368.14x = 173,199.82 × 97,948.64 - Step 4: Simplify right side
115,368.14x = 16,964,686,817.24 - Step 5: Solve for x
x = 16,964,686,817.24/115,368.14 - Step 6: Final answer
x = 147,048.28
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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.