Finding the Fourth Proportional to 245,079.96, 367,358.58 and 139,671.96
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Solution
The fourth proportional to 245,079.96, 367,358.58 and 139,671.96 is: 209,358.99
Step by Step Solution
- Step 1: Write the proportion equation
245,079.96 : 367,358.58 = 139,671.96 : x - Step 2: Convert to fraction form
245,079.96/367,358.58 = 139,671.96/x - Step 3: Cross multiply
245,079.96x = 367,358.58 × 139,671.96 - Step 4: Simplify right side
245,079.96x = 51,309,692,891.42 - Step 5: Solve for x
x = 51,309,692,891.42/245,079.96 - Step 6: Final answer
x = 209,358.99
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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.