Finding the Fourth Proportional to 371,990.76, 513,351.35 and 202,224.88
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Solution
The fourth proportional to 371,990.76, 513,351.35 and 202,224.88 is: 279,072.57
Step by Step Solution
- Step 1: Write the proportion equation
371,990.76 : 513,351.35 = 202,224.88 : x - Step 2: Convert to fraction form
371,990.76/513,351.35 = 202,224.88/x - Step 3: Cross multiply
371,990.76x = 513,351.35 × 202,224.88 - Step 4: Simplify right side
371,990.76x = 103,812,417,416.34 - Step 5: Solve for x
x = 103,812,417,416.34/371,990.76 - Step 6: Final answer
x = 279,072.57
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1.5x scale
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.