Finding the Fourth Proportional to 335,232.34, 502,516.36 and 157,421.05
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Solution
The fourth proportional to 335,232.34, 502,516.36 and 157,421.05 is: 235,975.60
Step by Step Solution
- Step 1: Write the proportion equation
335,232.34 : 502,516.36 = 157,421.05 : x - Step 2: Convert to fraction form
335,232.34/502,516.36 = 157,421.05/x - Step 3: Cross multiply
335,232.34x = 502,516.36 × 157,421.05 - Step 4: Simplify right side
335,232.34x = 79,106,653,033.38 - Step 5: Solve for x
x = 79,106,653,033.38/335,232.34 - Step 6: Final answer
x = 235,975.60
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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.