Finding the Fourth Proportional to 452,327.75, 678,802.67 and 156,839.75
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Solution
The fourth proportional to 452,327.75, 678,802.67 and 156,839.75 is: 235,367.48
Step by Step Solution
- Step 1: Write the proportion equation
452,327.75 : 678,802.67 = 156,839.75 : x - Step 2: Convert to fraction form
452,327.75/678,802.67 = 156,839.75/x - Step 3: Cross multiply
452,327.75x = 678,802.67 × 156,839.75 - Step 4: Simplify right side
452,327.75x = 106,463,241,062.13 - Step 5: Solve for x
x = 106,463,241,062.13/452,327.75 - Step 6: Final answer
x = 235,367.48
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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.