Finding the Fourth Proportional to 279,138.68, 418,846.52 and 110,655.44
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Solution
The fourth proportional to 279,138.68, 418,846.52 and 110,655.44 is: 166,038.06
Step by Step Solution
- Step 1: Write the proportion equation
279,138.68 : 418,846.52 = 110,655.44 : x - Step 2: Convert to fraction form
279,138.68/418,846.52 = 110,655.44/x - Step 3: Cross multiply
279,138.68x = 418,846.52 × 110,655.44 - Step 4: Simplify right side
279,138.68x = 46,347,645,963.07 - Step 5: Solve for x
x = 46,347,645,963.07/279,138.68 - Step 6: Final answer
x = 166,038.06
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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.