Finding the Fourth Proportional to 277,295.99, 382,668.45 and 149,971.58
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Solution
The fourth proportional to 277,295.99, 382,668.45 and 149,971.58 is: 206,960.77
Step by Step Solution
- Step 1: Write the proportion equation
277,295.99 : 382,668.45 = 149,971.58 : x - Step 2: Convert to fraction form
277,295.99/382,668.45 = 149,971.58/x - Step 3: Cross multiply
277,295.99x = 382,668.45 × 149,971.58 - Step 4: Simplify right side
277,295.99x = 57,389,390,149.31 - Step 5: Solve for x
x = 57,389,390,149.31/277,295.99 - Step 6: Final answer
x = 206,960.77
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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.