Finding the Fourth Proportional to 313,629.19, 432,807.14 and 170,387.98
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Solution
The fourth proportional to 313,629.19, 432,807.14 and 170,387.98 is: 235,134.79
Step by Step Solution
- Step 1: Write the proportion equation
313,629.19 : 432,807.14 = 170,387.98 : x - Step 2: Convert to fraction form
313,629.19/432,807.14 = 170,387.98/x - Step 3: Cross multiply
313,629.19x = 432,807.14 × 170,387.98 - Step 4: Simplify right side
313,629.19x = 73,745,131,298.20 - Step 5: Solve for x
x = 73,745,131,298.20/313,629.19 - Step 6: Final answer
x = 235,134.79
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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.