Finding the Fourth Proportional to 372,332.20, 513,803.70 and 202,562.68
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Solution
The fourth proportional to 372,332.20, 513,803.70 and 202,562.68 is: 279,528.48
Step by Step Solution
- Step 1: Write the proportion equation
372,332.20 : 513,803.70 = 202,562.68 : x - Step 2: Convert to fraction form
372,332.20/513,803.70 = 202,562.68/x - Step 3: Cross multiply
372,332.20x = 513,803.70 × 202,562.68 - Step 4: Simplify right side
372,332.20x = 104,077,454,465.92 - Step 5: Solve for x
x = 104,077,454,465.92/372,332.20 - Step 6: Final answer
x = 279,528.48
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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.