Finding the Fourth Proportional to 263,459.70, 363,437.43 and 161,509.05
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Solution
The fourth proportional to 263,459.70, 363,437.43 and 161,509.05 is: 222,798.53
Step by Step Solution
- Step 1: Write the proportion equation
263,459.70 : 363,437.43 = 161,509.05 : x - Step 2: Convert to fraction form
263,459.70/363,437.43 = 161,509.05/x - Step 3: Cross multiply
263,459.70x = 363,437.43 × 161,509.05 - Step 4: Simplify right side
263,459.70x = 58,698,434,053.74 - Step 5: Solve for x
x = 58,698,434,053.74/263,459.70 - Step 6: Final answer
x = 222,798.53
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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.