Finding the Fourth Proportional to 205,161.61, 283,170.14 and 133,416.67
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Solution
The fourth proportional to 205,161.61, 283,170.14 and 133,416.67 is: 184,145.64
Step by Step Solution
- Step 1: Write the proportion equation
205,161.61 : 283,170.14 = 133,416.67 : x - Step 2: Convert to fraction form
205,161.61/283,170.14 = 133,416.67/x - Step 3: Cross multiply
205,161.61x = 283,170.14 × 133,416.67 - Step 4: Simplify right side
205,161.61x = 37,779,616,247.54 - Step 5: Solve for x
x = 37,779,616,247.54/205,161.61 - Step 6: Final answer
x = 184,145.64
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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.