Finding the Fourth Proportional to 638,363.88, 957,685.98 and 189,119.92
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Solution
The fourth proportional to 638,363.88, 957,685.98 and 189,119.92 is: 283,721.40
Step by Step Solution
- Step 1: Write the proportion equation
638,363.88 : 957,685.98 = 189,119.92 : x - Step 2: Convert to fraction form
638,363.88/957,685.98 = 189,119.92/x - Step 3: Cross multiply
638,363.88x = 957,685.98 × 189,119.92 - Step 4: Simplify right side
638,363.88x = 181,117,495,922.72 - Step 5: Solve for x
x = 181,117,495,922.72/638,363.88 - Step 6: Final answer
x = 283,721.40
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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.