Finding the Fourth Proportional to 165,412.49, 228,174.86 and 101,705.18
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Solution
The fourth proportional to 165,412.49, 228,174.86 and 101,705.18 is: 140,295.12
Step by Step Solution
- Step 1: Write the proportion equation
165,412.49 : 228,174.86 = 101,705.18 : x - Step 2: Convert to fraction form
165,412.49/228,174.86 = 101,705.18/x - Step 3: Cross multiply
165,412.49x = 228,174.86 × 101,705.18 - Step 4: Simplify right side
165,412.49x = 23,206,564,699.25 - Step 5: Solve for x
x = 23,206,564,699.25/165,412.49 - Step 6: Final answer
x = 140,295.12
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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.