Finding the Fourth Proportional to 303,921.35, 455,474.51 and 236,534.75
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Solution
The fourth proportional to 303,921.35, 455,474.51 and 236,534.75 is: 354,484.96
Step by Step Solution
- Step 1: Write the proportion equation
303,921.35 : 455,474.51 = 236,534.75 : x - Step 2: Convert to fraction form
303,921.35/455,474.51 = 236,534.75/x - Step 3: Cross multiply
303,921.35x = 455,474.51 × 236,534.75 - Step 4: Simplify right side
303,921.35x = 107,735,547,076.85 - Step 5: Solve for x
x = 107,735,547,076.85/303,921.35 - Step 6: Final answer
x = 354,484.96
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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.