Finding the Fourth Proportional to 372,005.10, 513,352.68 and 202,239.30
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Solution
The fourth proportional to 372,005.10, 513,352.68 and 202,239.30 is: 279,082.43
Step by Step Solution
- Step 1: Write the proportion equation
372,005.10 : 513,352.68 = 202,239.30 : x - Step 2: Convert to fraction form
372,005.10/513,352.68 = 202,239.30/x - Step 3: Cross multiply
372,005.10x = 513,352.68 × 202,239.30 - Step 4: Simplify right side
372,005.10x = 103,820,086,656.32 - Step 5: Solve for x
x = 103,820,086,656.32/372,005.10 - Step 6: Final answer
x = 279,082.43
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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.