Finding the Fourth Proportional to 98,226.94, 135,569.49 and 57,950.60
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Solution
The fourth proportional to 98,226.94, 135,569.49 and 57,950.60 is: 79,981.45
Step by Step Solution
- Step 1: Write the proportion equation
98,226.94 : 135,569.49 = 57,950.60 : x - Step 2: Convert to fraction form
98,226.94/135,569.49 = 57,950.60/x - Step 3: Cross multiply
98,226.94x = 135,569.49 × 57,950.60 - Step 4: Simplify right side
98,226.94x = 7,856,333,408.80 - Step 5: Solve for x
x = 7,856,333,408.80/98,226.94 - Step 6: Final answer
x = 79,981.45
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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.