Finding the Fourth Proportional to 253,459.92, 349,852.62 and 146,101.74
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Solution
The fourth proportional to 253,459.92, 349,852.62 and 146,101.74 is: 201,665.32
Step by Step Solution
- Step 1: Write the proportion equation
253,459.92 : 349,852.62 = 146,101.74 : x - Step 2: Convert to fraction form
253,459.92/349,852.62 = 146,101.74/x - Step 3: Cross multiply
253,459.92x = 349,852.62 × 146,101.74 - Step 4: Simplify right side
253,459.92x = 51,114,076,525.56 - Step 5: Solve for x
x = 51,114,076,525.56/253,459.92 - Step 6: Final answer
x = 201,665.32
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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.