Finding the Fourth Proportional to 370,930.97, 511,873.76 and 205,366.32
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Solution
The fourth proportional to 370,930.97, 511,873.76 and 205,366.32 is: 283,399.44
Step by Step Solution
- Step 1: Write the proportion equation
370,930.97 : 511,873.76 = 205,366.32 : x - Step 2: Convert to fraction form
370,930.97/511,873.76 = 205,366.32/x - Step 3: Cross multiply
370,930.97x = 511,873.76 × 205,366.32 - Step 4: Simplify right side
370,930.97x = 105,121,630,909.18 - Step 5: Solve for x
x = 105,121,630,909.18/370,930.97 - Step 6: Final answer
x = 283,399.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.