Finding the Fourth Proportional to 370,118.97, 555,383.74 and 180,580.90
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Solution
The fourth proportional to 370,118.97, 555,383.74 and 180,580.90 is: 270,971.50
Step by Step Solution
- Step 1: Write the proportion equation
370,118.97 : 555,383.74 = 180,580.90 : x - Step 2: Convert to fraction form
370,118.97/555,383.74 = 180,580.90/x - Step 3: Cross multiply
370,118.97x = 555,383.74 × 180,580.90 - Step 4: Simplify right side
370,118.97x = 100,291,693,289.10 - Step 5: Solve for x
x = 100,291,693,289.10/370,118.97 - Step 6: Final answer
x = 270,971.50
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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.