Finding the Fourth Proportional to 205,203.80, 307,287.30 and 163,731.80
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Solution
The fourth proportional to 205,203.80, 307,287.30 and 163,731.80 is: 245,184.07
Step by Step Solution
- Step 1: Write the proportion equation
205,203.80 : 307,287.30 = 163,731.80 : x - Step 2: Convert to fraction form
205,203.80/307,287.30 = 163,731.80/x - Step 3: Cross multiply
205,203.80x = 307,287.30 × 163,731.80 - Step 4: Simplify right side
205,203.80x = 50,312,702,746.14 - Step 5: Solve for x
x = 50,312,702,746.14/205,203.80 - Step 6: Final answer
x = 245,184.07
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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.