Finding the Fourth Proportional to 372,194.76, 513,631.20 and 202,430.12
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Solution
The fourth proportional to 372,194.76, 513,631.20 and 202,430.12 is: 279,354.89
Step by Step Solution
- Step 1: Write the proportion equation
372,194.76 : 513,631.20 = 202,430.12 : x - Step 2: Convert to fraction form
372,194.76/513,631.20 = 202,430.12/x - Step 3: Cross multiply
372,194.76x = 513,631.20 × 202,430.12 - Step 4: Simplify right side
372,194.76x = 103,974,425,451.74 - Step 5: Solve for x
x = 103,974,425,451.74/372,194.76 - Step 6: Final answer
x = 279,354.89
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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.