Finding the Fourth Proportional to 372,126.42, 513,583.50 and 361,993.74
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Solution
The fourth proportional to 372,126.42, 513,583.50 and 361,993.74 is: 499,599.07
Step by Step Solution
- Step 1: Write the proportion equation
372,126.42 : 513,583.50 = 361,993.74 : x - Step 2: Convert to fraction form
372,126.42/513,583.50 = 361,993.74/x - Step 3: Cross multiply
372,126.42x = 513,583.50 × 361,993.74 - Step 4: Simplify right side
372,126.42x = 185,914,011,967.29 - Step 5: Solve for x
x = 185,914,011,967.29/372,126.42 - Step 6: Final answer
x = 499,599.07
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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.