Finding the Fourth Proportional to 358,692.35, 494,979.48 and 205,620.80
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Solution
The fourth proportional to 358,692.35, 494,979.48 and 205,620.80 is: 283,747.55
Step by Step Solution
- Step 1: Write the proportion equation
358,692.35 : 494,979.48 = 205,620.80 : x - Step 2: Convert to fraction form
358,692.35/494,979.48 = 205,620.80/x - Step 3: Cross multiply
358,692.35x = 494,979.48 × 205,620.80 - Step 4: Simplify right side
358,692.35x = 101,778,076,661.18 - Step 5: Solve for x
x = 101,778,076,661.18/358,692.35 - Step 6: Final answer
x = 283,747.55
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.