Finding the Fourth Proportional to 500,969.31, 751,381.03 and 145,887.99
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Solution
The fourth proportional to 500,969.31, 751,381.03 and 145,887.99 is: 218,810.75
Step by Step Solution
- Step 1: Write the proportion equation
500,969.31 : 751,381.03 = 145,887.99 : x - Step 2: Convert to fraction form
500,969.31/751,381.03 = 145,887.99/x - Step 3: Cross multiply
500,969.31x = 751,381.03 × 145,887.99 - Step 4: Simplify right side
500,969.31x = 109,617,468,190.83 - Step 5: Solve for x
x = 109,617,468,190.83/500,969.31 - Step 6: Final answer
x = 218,810.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.