Finding the Fourth Proportional to 395,289.31, 592,943.69 and 114,808.99
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Solution
The fourth proportional to 395,289.31, 592,943.69 and 114,808.99 is: 172,216.31
Step by Step Solution
- Step 1: Write the proportion equation
395,289.31 : 592,943.69 = 114,808.99 : x - Step 2: Convert to fraction form
395,289.31/592,943.69 = 114,808.99/x - Step 3: Cross multiply
395,289.31x = 592,943.69 × 114,808.99 - Step 4: Simplify right side
395,289.31x = 68,075,265,601.73 - Step 5: Solve for x
x = 68,075,265,601.73/395,289.31 - Step 6: Final answer
x = 172,216.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.