Finding the Fourth Proportional to 658,128.20, 987,192.30 and 184,893.80
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Solution
The fourth proportional to 658,128.20, 987,192.30 and 184,893.80 is: 277,340.70
Step by Step Solution
- Step 1: Write the proportion equation
658,128.20 : 987,192.30 = 184,893.80 : x - Step 2: Convert to fraction form
658,128.20/987,192.30 = 184,893.80/x - Step 3: Cross multiply
658,128.20x = 987,192.30 × 184,893.80 - Step 4: Simplify right side
658,128.20x = 182,525,735,677.74 - Step 5: Solve for x
x = 182,525,735,677.74/658,128.20 - Step 6: Final answer
x = 277,340.70
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Double scale
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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.