Finding the Fourth Proportional to 207,214.80, 310,303.80 and 165,742.80
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Solution
The fourth proportional to 207,214.80, 310,303.80 and 165,742.80 is: 248,199.55
Step by Step Solution
- Step 1: Write the proportion equation
207,214.80 : 310,303.80 = 165,742.80 : x - Step 2: Convert to fraction form
207,214.80/310,303.80 = 165,742.80/x - Step 3: Cross multiply
207,214.80x = 310,303.80 × 165,742.80 - Step 4: Simplify right side
207,214.80x = 51,430,620,662.64 - Step 5: Solve for x
x = 51,430,620,662.64/207,214.80 - Step 6: Final answer
x = 248,199.55
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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.