Finding the Fourth Proportional to 207,048.76, 310,447.65 and 135,055.45
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Solution
The fourth proportional to 207,048.76, 310,447.65 and 135,055.45 is: 202,501.32
Step by Step Solution
- Step 1: Write the proportion equation
207,048.76 : 310,447.65 = 135,055.45 : x - Step 2: Convert to fraction form
207,048.76/310,447.65 = 135,055.45/x - Step 3: Cross multiply
207,048.76x = 310,447.65 × 135,055.45 - Step 4: Simplify right side
207,048.76x = 41,927,647,072.19 - Step 5: Solve for x
x = 41,927,647,072.19/207,048.76 - Step 6: Final answer
x = 202,501.32
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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.