Finding the Fourth Proportional to 216,153.88, 298,297.08 and 119,357.52
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Solution
The fourth proportional to 216,153.88, 298,297.08 and 119,357.52 is: 164,715.99
Step by Step Solution
- Step 1: Write the proportion equation
216,153.88 : 298,297.08 = 119,357.52 : x - Step 2: Convert to fraction form
216,153.88/298,297.08 = 119,357.52/x - Step 3: Cross multiply
216,153.88x = 298,297.08 × 119,357.52 - Step 4: Simplify right side
216,153.88x = 35,603,999,692.04 - Step 5: Solve for x
x = 35,603,999,692.04/216,153.88 - Step 6: Final answer
x = 164,715.99
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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.