Finding the Fourth Proportional to 135,117.12, 202,454.40 and 46,322.88
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Solution
The fourth proportional to 135,117.12, 202,454.40 and 46,322.88 is: 69,408.46
Step by Step Solution
- Step 1: Write the proportion equation
135,117.12 : 202,454.40 = 46,322.88 : x - Step 2: Convert to fraction form
135,117.12/202,454.40 = 46,322.88/x - Step 3: Cross multiply
135,117.12x = 202,454.40 × 46,322.88 - Step 4: Simplify right side
135,117.12x = 9,378,270,876.67 - Step 5: Solve for x
x = 9,378,270,876.67/135,117.12 - Step 6: Final answer
x = 69,408.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.