Finding the Fourth Proportional to 235,072.12, 352,619.50 and 77,297.08
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Solution
The fourth proportional to 235,072.12, 352,619.50 and 77,297.08 is: 115,949.34
Step by Step Solution
- Step 1: Write the proportion equation
235,072.12 : 352,619.50 = 77,297.08 : x - Step 2: Convert to fraction form
235,072.12/352,619.50 = 77,297.08/x - Step 3: Cross multiply
235,072.12x = 352,619.50 × 77,297.08 - Step 4: Simplify right side
235,072.12x = 27,256,457,701.06 - Step 5: Solve for x
x = 27,256,457,701.06/235,072.12 - Step 6: Final answer
x = 115,949.34
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1.5x scale
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.