Finding the Fourth Proportional to 341,991.99, 513,043.11 and 105,334.56
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Solution
The fourth proportional to 341,991.99, 513,043.11 and 105,334.56 is: 158,018.82
Step by Step Solution
- Step 1: Write the proportion equation
341,991.99 : 513,043.11 = 105,334.56 : x - Step 2: Convert to fraction form
341,991.99/513,043.11 = 105,334.56/x - Step 3: Cross multiply
341,991.99x = 513,043.11 × 105,334.56 - Step 4: Simplify right side
341,991.99x = 54,041,170,252.88 - Step 5: Solve for x
x = 54,041,170,252.88/341,991.99 - Step 6: Final answer
x = 158,018.82
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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.