Finding the Fourth Proportional to 270,109.62, 372,749.85 and 149,259.26
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Solution
The fourth proportional to 270,109.62, 372,749.85 and 149,259.26 is: 205,976.99
Step by Step Solution
- Step 1: Write the proportion equation
270,109.62 : 372,749.85 = 149,259.26 : x - Step 2: Convert to fraction form
270,109.62/372,749.85 = 149,259.26/x - Step 3: Cross multiply
270,109.62x = 372,749.85 × 149,259.26 - Step 4: Simplify right side
270,109.62x = 55,636,366,776.11 - Step 5: Solve for x
x = 55,636,366,776.11/270,109.62 - Step 6: Final answer
x = 205,976.99
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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.