Finding the Fourth Proportional to 155,676.41, 214,751.60 and 98,294.99
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Solution
The fourth proportional to 155,676.41, 214,751.60 and 98,294.99 is: 135,595.42
Step by Step Solution
- Step 1: Write the proportion equation
155,676.41 : 214,751.60 = 98,294.99 : x - Step 2: Convert to fraction form
155,676.41/214,751.60 = 98,294.99/x - Step 3: Cross multiply
155,676.41x = 214,751.60 × 98,294.99 - Step 4: Simplify right side
155,676.41x = 21,109,006,788.49 - Step 5: Solve for x
x = 21,109,006,788.49/155,676.41 - Step 6: Final answer
x = 135,595.42
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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.