Finding the Fourth Proportional to 485,810.73, 728,809.50 and 186,267.95
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Solution
The fourth proportional to 485,810.73, 728,809.50 and 186,267.95 is: 279,437.73
Step by Step Solution
- Step 1: Write the proportion equation
485,810.73 : 728,809.50 = 186,267.95 : x - Step 2: Convert to fraction form
485,810.73/728,809.50 = 186,267.95/x - Step 3: Cross multiply
485,810.73x = 728,809.50 × 186,267.95 - Step 4: Simplify right side
485,810.73x = 135,753,846,930.14 - Step 5: Solve for x
x = 135,753,846,930.14/485,810.73 - Step 6: Final answer
x = 279,437.73
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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.