Finding the Fourth Proportional to 253,649.24, 350,039.58 and 146,217.32
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Solution
The fourth proportional to 253,649.24, 350,039.58 and 146,217.32 is: 201,781.99
Step by Step Solution
- Step 1: Write the proportion equation
253,649.24 : 350,039.58 = 146,217.32 : x - Step 2: Convert to fraction form
253,649.24/350,039.58 = 146,217.32/x - Step 3: Cross multiply
253,649.24x = 350,039.58 × 146,217.32 - Step 4: Simplify right side
253,649.24x = 51,181,849,281.53 - Step 5: Solve for x
x = 51,181,849,281.53/253,649.24 - Step 6: Final answer
x = 201,781.99
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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.