Finding the Fourth Proportional to 309,783.07, 427,474.42 and 173,798.65
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Solution
The fourth proportional to 309,783.07, 427,474.42 and 173,798.65 is: 239,827.43
Step by Step Solution
- Step 1: Write the proportion equation
309,783.07 : 427,474.42 = 173,798.65 : x - Step 2: Convert to fraction form
309,783.07/427,474.42 = 173,798.65/x - Step 3: Cross multiply
309,783.07x = 427,474.42 × 173,798.65 - Step 4: Simplify right side
309,783.07x = 74,294,477,105.53 - Step 5: Solve for x
x = 74,294,477,105.53/309,783.07 - Step 6: Final answer
x = 239,827.43
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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.