Finding the Fourth Proportional to 385,795.96, 532,392.68 and 213,713.41
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Solution
The fourth proportional to 385,795.96, 532,392.68 and 213,713.41 is: 294,921.32
Step by Step Solution
- Step 1: Write the proportion equation
385,795.96 : 532,392.68 = 213,713.41 : x - Step 2: Convert to fraction form
385,795.96/532,392.68 = 213,713.41/x - Step 3: Cross multiply
385,795.96x = 532,392.68 × 213,713.41 - Step 4: Simplify right side
385,795.96x = 113,779,455,101.84 - Step 5: Solve for x
x = 113,779,455,101.84/385,795.96 - Step 6: Final answer
x = 294,921.32
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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.