Finding the Fourth Proportional to 385,460.64, 531,909.99 and 213,366.96
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Solution
The fourth proportional to 385,460.64, 531,909.99 and 213,366.96 is: 294,432.18
Step by Step Solution
- Step 1: Write the proportion equation
385,460.64 : 531,909.99 = 213,366.96 : x - Step 2: Convert to fraction form
385,460.64/531,909.99 = 213,366.96/x - Step 3: Cross multiply
385,460.64x = 531,909.99 × 213,366.96 - Step 4: Simplify right side
385,460.64x = 113,492,017,559.93 - Step 5: Solve for x
x = 113,492,017,559.93/385,460.64 - Step 6: Final answer
x = 294,432.18
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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.