Finding the Fourth Proportional to 371,976.63, 513,327.95 and 202,210.75
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Solution
The fourth proportional to 371,976.63, 513,327.95 and 202,210.75 is: 279,050.94
Step by Step Solution
- Step 1: Write the proportion equation
371,976.63 : 513,327.95 = 202,210.75 : x - Step 2: Convert to fraction form
371,976.63/513,327.95 = 202,210.75/x - Step 3: Cross multiply
371,976.63x = 513,327.95 × 202,210.75 - Step 4: Simplify right side
371,976.63x = 103,800,429,765.46 - Step 5: Solve for x
x = 103,800,429,765.46/371,976.63 - Step 6: Final answer
x = 279,050.94
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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.