Finding the Fourth Proportional to 163,045.70, 228,678.70 and 163,045.70
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Solution
The fourth proportional to 163,045.70, 228,678.70 and 163,045.70 is: 228,678.70
Step by Step Solution
- Step 1: Write the proportion equation
163,045.70 : 228,678.70 = 163,045.70 : x - Step 2: Convert to fraction form
163,045.70/228,678.70 = 163,045.70/x - Step 3: Cross multiply
163,045.70x = 228,678.70 × 163,045.70 - Step 4: Simplify right side
163,045.70x = 37,285,078,716.59 - Step 5: Solve for x
x = 37,285,078,716.59/163,045.70 - Step 6: Final answer
x = 228,678.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.