Finding the Fourth Proportional to 395,977.56, 593,918.10 and 115,495.08
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Solution
The fourth proportional to 395,977.56, 593,918.10 and 115,495.08 is: 173,228.55
Step by Step Solution
- Step 1: Write the proportion equation
395,977.56 : 593,918.10 = 115,495.08 : x - Step 2: Convert to fraction form
395,977.56/593,918.10 = 115,495.08/x - Step 3: Cross multiply
395,977.56x = 593,918.10 × 115,495.08 - Step 4: Simplify right side
395,977.56x = 68,594,618,472.95 - Step 5: Solve for x
x = 68,594,618,472.95/395,977.56 - Step 6: Final answer
x = 173,228.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.