Finding the Fourth Proportional to 313,655.58, 432,843.99 and 170,416.19
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Solution
The fourth proportional to 313,655.58, 432,843.99 and 170,416.19 is: 235,173.95
Step by Step Solution
- Step 1: Write the proportion equation
313,655.58 : 432,843.99 = 170,416.19 : x - Step 2: Convert to fraction form
313,655.58/432,843.99 = 170,416.19/x - Step 3: Cross multiply
313,655.58x = 432,843.99 × 170,416.19 - Step 4: Simplify right side
313,655.58x = 73,763,621,475.98 - Step 5: Solve for x
x = 73,763,621,475.98/313,655.58 - Step 6: Final answer
x = 235,173.95
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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.