Finding the Fourth Proportional to 315,866.64, 473,665.05 and 182,838.72
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Solution
The fourth proportional to 315,866.64, 473,665.05 and 182,838.72 is: 274,179.99
Step by Step Solution
- Step 1: Write the proportion equation
315,866.64 : 473,665.05 = 182,838.72 : x - Step 2: Convert to fraction form
315,866.64/473,665.05 = 182,838.72/x - Step 3: Cross multiply
315,866.64x = 473,665.05 × 182,838.72 - Step 4: Simplify right side
315,866.64x = 86,604,311,450.74 - Step 5: Solve for x
x = 86,604,311,450.74/315,866.64 - Step 6: Final answer
x = 274,179.99
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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.