Finding the Fourth Proportional to 372,152.61, 513,565.79 and 202,383.09
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Solution
The fourth proportional to 372,152.61, 513,565.79 and 202,383.09 is: 279,286.04
Step by Step Solution
- Step 1: Write the proportion equation
372,152.61 : 513,565.79 = 202,383.09 : x - Step 2: Convert to fraction form
372,152.61/513,565.79 = 202,383.09/x - Step 3: Cross multiply
372,152.61x = 513,565.79 × 202,383.09 - Step 4: Simplify right side
372,152.61x = 103,937,030,486.58 - Step 5: Solve for x
x = 103,937,030,486.58/372,152.61 - Step 6: Final answer
x = 279,286.04
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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.