Finding the Fourth Proportional to 372,186.10, 513,601.99 and 202,420.36
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Solution
The fourth proportional to 372,186.10, 513,601.99 and 202,420.36 is: 279,332.03
Step by Step Solution
- Step 1: Write the proportion equation
372,186.10 : 513,601.99 = 202,420.36 : x - Step 2: Convert to fraction form
372,186.10/513,601.99 = 202,420.36/x - Step 3: Cross multiply
372,186.10x = 513,601.99 × 202,420.36 - Step 4: Simplify right side
372,186.10x = 103,963,499,712.52 - Step 5: Solve for x
x = 103,963,499,712.52/372,186.10 - Step 6: Final answer
x = 279,332.03
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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.