Finding the Fourth Proportional to 299,511.99, 413,343.38 and 163,558.58
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Solution
The fourth proportional to 299,511.99, 413,343.38 and 163,558.58 is: 225,720.03
Step by Step Solution
- Step 1: Write the proportion equation
299,511.99 : 413,343.38 = 163,558.58 : x - Step 2: Convert to fraction form
299,511.99/413,343.38 = 163,558.58/x - Step 3: Cross multiply
299,511.99x = 413,343.38 × 163,558.58 - Step 4: Simplify right side
299,511.99x = 67,605,854,627.38 - Step 5: Solve for x
x = 67,605,854,627.38/299,511.99 - Step 6: Final answer
x = 225,720.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.