Finding the Fourth Proportional to 403,769.80, 606,237.90 and 304,625.80
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Solution
The fourth proportional to 403,769.80, 606,237.90 and 304,625.80 is: 457,378.70
Step by Step Solution
- Step 1: Write the proportion equation
403,769.80 : 606,237.90 = 304,625.80 : x - Step 2: Convert to fraction form
403,769.80/606,237.90 = 304,625.80/x - Step 3: Cross multiply
403,769.80x = 606,237.90 × 304,625.80 - Step 4: Simplify right side
403,769.80x = 184,675,705,277.82 - Step 5: Solve for x
x = 184,675,705,277.82/403,769.80 - Step 6: Final answer
x = 457,378.70
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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.