Finding the Fourth Proportional to 135,296.30, 202,945.81 and 60,420.24
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Solution
The fourth proportional to 135,296.30, 202,945.81 and 60,420.24 is: 90,630.97
Step by Step Solution
- Step 1: Write the proportion equation
135,296.30 : 202,945.81 = 60,420.24 : x - Step 2: Convert to fraction form
135,296.30/202,945.81 = 60,420.24/x - Step 3: Cross multiply
135,296.30x = 202,945.81 × 60,420.24 - Step 4: Simplify right side
135,296.30x = 12,262,034,547.19 - Step 5: Solve for x
x = 12,262,034,547.19/135,296.30 - Step 6: Final answer
x = 90,630.97
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1.5x scale
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.