Finding the Fourth Proportional to 109,379.48, 164,077.26 and 39,259.40
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Solution
The fourth proportional to 109,379.48, 164,077.26 and 39,259.40 is: 58,891.99
Step by Step Solution
- Step 1: Write the proportion equation
109,379.48 : 164,077.26 = 39,259.40 : x - Step 2: Convert to fraction form
109,379.48/164,077.26 = 39,259.40/x - Step 3: Cross multiply
109,379.48x = 164,077.26 × 39,259.40 - Step 4: Simplify right side
109,379.48x = 6,441,574,781.24 - Step 5: Solve for x
x = 6,441,574,781.24/109,379.48 - Step 6: Final answer
x = 58,891.99
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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.