Finding the Fourth Proportional to 328,781.16, 453,692.16 and 201,439.44
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Solution
The fourth proportional to 328,781.16, 453,692.16 and 201,439.44 is: 277,970.59
Step by Step Solution
- Step 1: Write the proportion equation
328,781.16 : 453,692.16 = 201,439.44 : x - Step 2: Convert to fraction form
328,781.16/453,692.16 = 201,439.44/x - Step 3: Cross multiply
328,781.16x = 453,692.16 × 201,439.44 - Step 4: Simplify right side
328,781.16x = 91,391,494,642.79 - Step 5: Solve for x
x = 91,391,494,642.79/328,781.16 - Step 6: Final answer
x = 277,970.59
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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.