Finding the Fourth Proportional to 452,814.81, 624,887.80 and 248,869.19
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Solution
The fourth proportional to 452,814.81, 624,887.80 and 248,869.19 is: 343,441.34
Step by Step Solution
- Step 1: Write the proportion equation
452,814.81 : 624,887.80 = 248,869.19 : x - Step 2: Convert to fraction form
452,814.81/624,887.80 = 248,869.19/x - Step 3: Cross multiply
452,814.81x = 624,887.80 × 248,869.19 - Step 4: Simplify right side
452,814.81x = 155,515,321,566.93 - Step 5: Solve for x
x = 155,515,321,566.93/452,814.81 - Step 6: Final answer
x = 343,441.34
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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.