Finding the Fourth Proportional to 150,860.08, 208,157.45 and 86,349.05
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Solution
The fourth proportional to 150,860.08, 208,157.45 and 86,349.05 is: 119,144.83
Step by Step Solution
- Step 1: Write the proportion equation
150,860.08 : 208,157.45 = 86,349.05 : x - Step 2: Convert to fraction form
150,860.08/208,157.45 = 86,349.05/x - Step 3: Cross multiply
150,860.08x = 208,157.45 × 86,349.05 - Step 4: Simplify right side
150,860.08x = 17,974,198,057.92 - Step 5: Solve for x
x = 17,974,198,057.92/150,860.08 - Step 6: Final answer
x = 119,144.83
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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.