Finding the Fourth Proportional to 305,769.96, 458,638.74 and 95,383.80
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Solution
The fourth proportional to 305,769.96, 458,638.74 and 95,383.80 is: 143,070.65
Step by Step Solution
- Step 1: Write the proportion equation
305,769.96 : 458,638.74 = 95,383.80 : x - Step 2: Convert to fraction form
305,769.96/458,638.74 = 95,383.80/x - Step 3: Cross multiply
305,769.96x = 458,638.74 × 95,383.80 - Step 4: Simplify right side
305,769.96x = 43,746,705,848.41 - Step 5: Solve for x
x = 43,746,705,848.41/305,769.96 - Step 6: Final answer
x = 143,070.65
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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.