Finding the Fourth Proportional to 718,153.97, 1,077,388.62 and 212,754.52
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Solution
The fourth proportional to 718,153.97, 1,077,388.62 and 212,754.52 is: 319,178.48
Step by Step Solution
- Step 1: Write the proportion equation
718,153.97 : 1,077,388.62 = 212,754.52 : x - Step 2: Convert to fraction form
718,153.97/1,077,388.62 = 212,754.52/x - Step 3: Cross multiply
718,153.97x = 1,077,388.62 × 212,754.52 - Step 4: Simplify right side
718,153.97x = 229,219,293,314.62 - Step 5: Solve for x
x = 229,219,293,314.62/718,153.97 - Step 6: Final answer
x = 319,178.48
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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.