Finding the Fourth Proportional to 343,594.43, 474,144.25 and 190,630.99
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Solution
The fourth proportional to 343,594.43, 474,144.25 and 190,630.99 is: 263,061.85
Step by Step Solution
- Step 1: Write the proportion equation
343,594.43 : 474,144.25 = 190,630.99 : x - Step 2: Convert to fraction form
343,594.43/474,144.25 = 190,630.99/x - Step 3: Cross multiply
343,594.43x = 474,144.25 × 190,630.99 - Step 4: Simplify right side
343,594.43x = 90,386,586,827.15 - Step 5: Solve for x
x = 90,386,586,827.15/343,594.43 - Step 6: Final answer
x = 263,061.85
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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.