Finding the Fourth Proportional to 153,355.96, 229,727.62 and 121,819.42
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Solution
The fourth proportional to 153,355.96, 229,727.62 and 121,819.42 is: 182,485.80
Step by Step Solution
- Step 1: Write the proportion equation
153,355.96 : 229,727.62 = 121,819.42 : x - Step 2: Convert to fraction form
153,355.96/229,727.62 = 121,819.42/x - Step 3: Cross multiply
153,355.96x = 229,727.62 × 121,819.42 - Step 4: Simplify right side
153,355.96x = 27,985,285,426.38 - Step 5: Solve for x
x = 27,985,285,426.38/153,355.96 - Step 6: Final answer
x = 182,485.80
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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.