Finding the Fourth Proportional to 112,259.69, 168,411.72 and 41,182.99
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Solution
The fourth proportional to 112,259.69, 168,411.72 and 41,182.99 is: 61,782.62
Step by Step Solution
- Step 1: Write the proportion equation
112,259.69 : 168,411.72 = 41,182.99 : x - Step 2: Convert to fraction form
112,259.69/168,411.72 = 41,182.99/x - Step 3: Cross multiply
112,259.69x = 168,411.72 × 41,182.99 - Step 4: Simplify right side
112,259.69x = 6,935,698,180.64 - Step 5: Solve for x
x = 6,935,698,180.64/112,259.69 - Step 6: Final answer
x = 61,782.62
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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.