Finding the Fourth Proportional to 442,511.31, 610,444.50 and 279,369.99
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Solution
The fourth proportional to 442,511.31, 610,444.50 and 279,369.99 is: 385,390.99
Step by Step Solution
- Step 1: Write the proportion equation
442,511.31 : 610,444.50 = 279,369.99 : x - Step 2: Convert to fraction form
442,511.31/610,444.50 = 279,369.99/x - Step 3: Cross multiply
442,511.31x = 610,444.50 × 279,369.99 - Step 4: Simplify right side
442,511.31x = 170,539,873,860.56 - Step 5: Solve for x
x = 170,539,873,860.56/442,511.31 - Step 6: Final answer
x = 385,390.99
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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.