Finding the Fourth Proportional to 319,562.19, 440,995.46 and 176,322.21
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Solution
The fourth proportional to 319,562.19, 440,995.46 and 176,322.21 is: 243,324.45
Step by Step Solution
- Step 1: Write the proportion equation
319,562.19 : 440,995.46 = 176,322.21 : x - Step 2: Convert to fraction form
319,562.19/440,995.46 = 176,322.21/x - Step 3: Cross multiply
319,562.19x = 440,995.46 × 176,322.21 - Step 4: Simplify right side
319,562.19x = 77,757,293,225.56 - Step 5: Solve for x
x = 77,757,293,225.56/319,562.19 - Step 6: Final answer
x = 243,324.45
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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.