Finding the Fourth Proportional to 215,437.60, 323,133.60 and 57,682.08
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Solution
The fourth proportional to 215,437.60, 323,133.60 and 57,682.08 is: 86,517.02
Step by Step Solution
- Step 1: Write the proportion equation
215,437.60 : 323,133.60 = 57,682.08 : x - Step 2: Convert to fraction form
215,437.60/323,133.60 = 57,682.08/x - Step 3: Cross multiply
215,437.60x = 323,133.60 × 57,682.08 - Step 4: Simplify right side
215,437.60x = 18,639,018,165.89 - Step 5: Solve for x
x = 18,639,018,165.89/215,437.60 - Step 6: Final answer
x = 86,517.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.