Finding the Fourth Proportional to 422,593.56, 634,095.36 and 185,905.49
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Solution
The fourth proportional to 422,593.56, 634,095.36 and 185,905.49 is: 278,948.42
Step by Step Solution
- Step 1: Write the proportion equation
422,593.56 : 634,095.36 = 185,905.49 : x - Step 2: Convert to fraction form
422,593.56/634,095.36 = 185,905.49/x - Step 3: Cross multiply
422,593.56x = 634,095.36 × 185,905.49 - Step 4: Simplify right side
422,593.56x = 117,881,805,437.05 - Step 5: Solve for x
x = 117,881,805,437.05/422,593.56 - Step 6: Final answer
x = 278,948.42
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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.