Finding the Fourth Proportional to 351,672.98, 485,281.87 and 213,832.76
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Solution
The fourth proportional to 351,672.98, 485,281.87 and 213,832.76 is: 295,072.88
Step by Step Solution
- Step 1: Write the proportion equation
351,672.98 : 485,281.87 = 213,832.76 : x - Step 2: Convert to fraction form
351,672.98/485,281.87 = 213,832.76/x - Step 3: Cross multiply
351,672.98x = 485,281.87 × 213,832.76 - Step 4: Simplify right side
351,672.98x = 103,769,158,679.07 - Step 5: Solve for x
x = 103,769,158,679.07/351,672.98 - Step 6: Final answer
x = 295,072.88
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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.