Finding the Fourth Proportional to 372,116.08, 513,558.26 and 219,202.39
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Solution
The fourth proportional to 372,116.08, 513,558.26 and 219,202.39 is: 302,521.72
Step by Step Solution
- Step 1: Write the proportion equation
372,116.08 : 513,558.26 = 219,202.39 : x - Step 2: Convert to fraction form
372,116.08/513,558.26 = 219,202.39/x - Step 3: Cross multiply
372,116.08x = 513,558.26 × 219,202.39 - Step 4: Simplify right side
372,116.08x = 112,573,197,996.24 - Step 5: Solve for x
x = 112,573,197,996.24/372,116.08 - Step 6: Final answer
x = 302,521.72
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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.