Finding the Fourth Proportional to 319,282.14, 440,629.02 and 176,041.74
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Solution
The fourth proportional to 319,282.14, 440,629.02 and 176,041.74 is: 242,948.44
Step by Step Solution
- Step 1: Write the proportion equation
319,282.14 : 440,629.02 = 176,041.74 : x - Step 2: Convert to fraction form
319,282.14/440,629.02 = 176,041.74/x - Step 3: Cross multiply
319,282.14x = 440,629.02 × 176,041.74 - Step 4: Simplify right side
319,282.14x = 77,569,099,375.29 - Step 5: Solve for x
x = 77,569,099,375.29/319,282.14 - Step 6: Final answer
x = 242,948.44
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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.