Finding the Fourth Proportional to 372,445.08, 513,973.26 and 202,679.16
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Solution
The fourth proportional to 372,445.08, 513,973.26 and 202,679.16 is: 279,696.72
Step by Step Solution
- Step 1: Write the proportion equation
372,445.08 : 513,973.26 = 202,679.16 : x - Step 2: Convert to fraction form
372,445.08/513,973.26 = 202,679.16/x - Step 3: Cross multiply
372,445.08x = 513,973.26 × 202,679.16 - Step 4: Simplify right side
372,445.08x = 104,171,668,599.26 - Step 5: Solve for x
x = 104,171,668,599.26/372,445.08 - Step 6: Final answer
x = 279,696.72
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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.