Finding the Fourth Proportional to 372,154.14, 513,718.65 and 263,824.65
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Solution
The fourth proportional to 372,154.14, 513,718.65 and 263,824.65 is: 364,181.47
Step by Step Solution
- Step 1: Write the proportion equation
372,154.14 : 513,718.65 = 263,824.65 : x - Step 2: Convert to fraction form
372,154.14/513,718.65 = 263,824.65/x - Step 3: Cross multiply
372,154.14x = 513,718.65 × 263,824.65 - Step 4: Simplify right side
372,154.14x = 135,531,643,034.72 - Step 5: Solve for x
x = 135,531,643,034.72/372,154.14 - Step 6: Final answer
x = 364,181.47
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1.5x scale
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.