Finding the Fourth Proportional to 452,074.36, 678,331.86 and 185,914.84
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Solution
The fourth proportional to 452,074.36, 678,331.86 and 185,914.84 is: 278,962.87
Step by Step Solution
- Step 1: Write the proportion equation
452,074.36 : 678,331.86 = 185,914.84 : x - Step 2: Convert to fraction form
452,074.36/678,331.86 = 185,914.84/x - Step 3: Cross multiply
452,074.36x = 678,331.86 × 185,914.84 - Step 4: Simplify right side
452,074.36x = 126,111,959,218.80 - Step 5: Solve for x
x = 126,111,959,218.80/452,074.36 - Step 6: Final answer
x = 278,962.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.