Finding the Fourth Proportional to 146,337.68, 201,946.02 and 79,269.68
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Solution
The fourth proportional to 146,337.68, 201,946.02 and 79,269.68 is: 109,392.17
Step by Step Solution
- Step 1: Write the proportion equation
146,337.68 : 201,946.02 = 79,269.68 : x - Step 2: Convert to fraction form
146,337.68/201,946.02 = 79,269.68/x - Step 3: Cross multiply
146,337.68x = 201,946.02 × 79,269.68 - Step 4: Simplify right side
146,337.68x = 16,008,196,382.67 - Step 5: Solve for x
x = 16,008,196,382.67/146,337.68 - Step 6: Final answer
x = 109,392.17
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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.