Finding the Fourth Proportional to 479,171.31, 718,198.07 and 360,460.95
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Solution
The fourth proportional to 479,171.31, 718,198.07 and 360,460.95 is: 540,270.99
Step by Step Solution
- Step 1: Write the proportion equation
479,171.31 : 718,198.07 = 360,460.95 : x - Step 2: Convert to fraction form
479,171.31/718,198.07 = 360,460.95/x - Step 3: Cross multiply
479,171.31x = 718,198.07 × 360,460.95 - Step 4: Simplify right side
479,171.31x = 258,882,356,798.06 - Step 5: Solve for x
x = 258,882,356,798.06/479,171.31 - Step 6: Final answer
x = 540,270.99
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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.