Finding the Fourth Proportional to 322,416.73, 444,899.73 and 186,430.09
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Solution
The fourth proportional to 322,416.73, 444,899.73 and 186,430.09 is: 257,253.08
Step by Step Solution
- Step 1: Write the proportion equation
322,416.73 : 444,899.73 = 186,430.09 : x - Step 2: Convert to fraction form
322,416.73/444,899.73 = 186,430.09/x - Step 3: Cross multiply
322,416.73x = 444,899.73 × 186,430.09 - Step 4: Simplify right side
322,416.73x = 82,942,696,704.88 - Step 5: Solve for x
x = 82,942,696,704.88/322,416.73 - Step 6: Final answer
x = 257,253.08
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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.