Finding the Fourth Proportional to 277,237.80, 382,587.87 and 149,913.09
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Solution
The fourth proportional to 277,237.80, 382,587.87 and 149,913.09 is: 206,879.91
Step by Step Solution
- Step 1: Write the proportion equation
277,237.80 : 382,587.87 = 149,913.09 : x - Step 2: Convert to fraction form
277,237.80/382,587.87 = 149,913.09/x - Step 3: Cross multiply
277,237.80x = 382,587.87 × 149,913.09 - Step 4: Simplify right side
277,237.80x = 57,354,929,788.22 - Step 5: Solve for x
x = 57,354,929,788.22/277,237.80 - Step 6: Final answer
x = 206,879.91
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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.