Finding the Fourth Proportional to 320,692.93, 442,549.98 and 177,453.07
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Solution
The fourth proportional to 320,692.93, 442,549.98 and 177,453.07 is: 244,881.77
Step by Step Solution
- Step 1: Write the proportion equation
320,692.93 : 442,549.98 = 177,453.07 : x - Step 2: Convert to fraction form
320,692.93/442,549.98 = 177,453.07/x - Step 3: Cross multiply
320,692.93x = 442,549.98 × 177,453.07 - Step 4: Simplify right side
320,692.93x = 78,531,852,579.44 - Step 5: Solve for x
x = 78,531,852,579.44/320,692.93 - Step 6: Final answer
x = 244,881.77
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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.