Finding the Fourth Proportional to 316,917.99, 437,350.32 and 173,674.98
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Solution
The fourth proportional to 316,917.99, 437,350.32 and 173,674.98 is: 239,673.39
Step by Step Solution
- Step 1: Write the proportion equation
316,917.99 : 437,350.32 = 173,674.98 : x - Step 2: Convert to fraction form
316,917.99/437,350.32 = 173,674.98/x - Step 3: Cross multiply
316,917.99x = 437,350.32 × 173,674.98 - Step 4: Simplify right side
316,917.99x = 75,956,808,078.99 - Step 5: Solve for x
x = 75,956,808,078.99/316,917.99 - Step 6: Final answer
x = 239,673.39
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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.