Finding the Fourth Proportional to 145,025.36, 217,561.08 and 61,920.08
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Solution
The fourth proportional to 145,025.36, 217,561.08 and 61,920.08 is: 92,889.96
Step by Step Solution
- Step 1: Write the proportion equation
145,025.36 : 217,561.08 = 61,920.08 : x - Step 2: Convert to fraction form
145,025.36/217,561.08 = 61,920.08/x - Step 3: Cross multiply
145,025.36x = 217,561.08 × 61,920.08 - Step 4: Simplify right side
145,025.36x = 13,471,399,478.49 - Step 5: Solve for x
x = 13,471,399,478.49/145,025.36 - Step 6: Final answer
x = 92,889.96
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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.