Finding the Fourth Proportional to 270,057.90, 372,687.42 and 149,206.98
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Solution
The fourth proportional to 270,057.90, 372,687.42 and 149,206.98 is: 205,909.79
Step by Step Solution
- Step 1: Write the proportion equation
270,057.90 : 372,687.42 = 149,206.98 : x - Step 2: Convert to fraction form
270,057.90/372,687.42 = 149,206.98/x - Step 3: Cross multiply
270,057.90x = 372,687.42 × 149,206.98 - Step 4: Simplify right side
270,057.90x = 55,607,564,422.19 - Step 5: Solve for x
x = 55,607,564,422.19/270,057.90 - Step 6: Final answer
x = 205,909.79
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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.