Finding the Fourth Proportional to 146,631.08, 219,946.54 and 53,136.68
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Solution
The fourth proportional to 146,631.08, 219,946.54 and 53,136.68 is: 79,704.99
Step by Step Solution
- Step 1: Write the proportion equation
146,631.08 : 219,946.54 = 53,136.68 : x - Step 2: Convert to fraction form
146,631.08/219,946.54 = 53,136.68/x - Step 3: Cross multiply
146,631.08x = 219,946.54 × 53,136.68 - Step 4: Simplify right side
146,631.08x = 11,687,228,913.09 - Step 5: Solve for x
x = 11,687,228,913.09/146,631.08 - Step 6: Final answer
x = 79,704.99
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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.