Finding the Fourth Proportional to 674,570.16, 930,959.73 and 384,193.97
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Solution
The fourth proportional to 674,570.16, 930,959.73 and 384,193.97 is: 530,217.81
Step by Step Solution
- Step 1: Write the proportion equation
674,570.16 : 930,959.73 = 384,193.97 : x - Step 2: Convert to fraction form
674,570.16/930,959.73 = 384,193.97/x - Step 3: Cross multiply
674,570.16x = 930,959.73 × 384,193.97 - Step 4: Simplify right side
674,570.16x = 357,669,113,415.13 - Step 5: Solve for x
x = 357,669,113,415.13/674,570.16 - Step 6: Final answer
x = 530,217.81
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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.