Finding the Fourth Proportional to 148,584.22, 204,996.36 and 84,876.91
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Solution
The fourth proportional to 148,584.22, 204,996.36 and 84,876.91 is: 117,101.65
Step by Step Solution
- Step 1: Write the proportion equation
148,584.22 : 204,996.36 = 84,876.91 : x - Step 2: Convert to fraction form
148,584.22/204,996.36 = 84,876.91/x - Step 3: Cross multiply
148,584.22x = 204,996.36 × 84,876.91 - Step 4: Simplify right side
148,584.22x = 17,399,457,598.05 - Step 5: Solve for x
x = 17,399,457,598.05/148,584.22 - Step 6: Final answer
x = 117,101.65
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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.