Finding the Fourth Proportional to 214,776.48, 296,346.48 and 129,876.96
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Solution
The fourth proportional to 214,776.48, 296,346.48 and 129,876.96 is: 179,202.96
Step by Step Solution
- Step 1: Write the proportion equation
214,776.48 : 296,346.48 = 129,876.96 : x - Step 2: Convert to fraction form
214,776.48/296,346.48 = 129,876.96/x - Step 3: Cross multiply
214,776.48x = 296,346.48 × 129,876.96 - Step 4: Simplify right side
214,776.48x = 38,488,579,929.10 - Step 5: Solve for x
x = 38,488,579,929.10/214,776.48 - Step 6: Final answer
x = 179,202.96
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1.5x scale
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.