Finding the Fourth Proportional to 422,976.10, 634,210.70 and 134,663.14
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Solution
The fourth proportional to 422,976.10, 634,210.70 and 134,663.14 is: 201,914.02
Step by Step Solution
- Step 1: Write the proportion equation
422,976.10 : 634,210.70 = 134,663.14 : x - Step 2: Convert to fraction form
422,976.10/634,210.70 = 134,663.14/x - Step 3: Cross multiply
422,976.10x = 634,210.70 × 134,663.14 - Step 4: Simplify right side
422,976.10x = 85,404,804,283.60 - Step 5: Solve for x
x = 85,404,804,283.60/422,976.10 - Step 6: Final answer
x = 201,914.02
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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.