Finding the Fourth Proportional to 479,119.36, 718,744.64 and 163,491.52
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Solution
The fourth proportional to 479,119.36, 718,744.64 and 163,491.52 is: 245,259.66
Step by Step Solution
- Step 1: Write the proportion equation
479,119.36 : 718,744.64 = 163,491.52 : x - Step 2: Convert to fraction form
479,119.36/718,744.64 = 163,491.52/x - Step 3: Cross multiply
479,119.36x = 718,744.64 × 163,491.52 - Step 4: Simplify right side
479,119.36x = 117,508,653,685.45 - Step 5: Solve for x
x = 117,508,653,685.45/479,119.36 - Step 6: Final answer
x = 245,259.66
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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.