Finding the Fourth Proportional to 343,890.75, 474,612.99 and 192,987.75
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Solution
The fourth proportional to 343,890.75, 474,612.99 and 192,987.75 is: 266,347.65
Step by Step Solution
- Step 1: Write the proportion equation
343,890.75 : 474,612.99 = 192,987.75 : x - Step 2: Convert to fraction form
343,890.75/474,612.99 = 192,987.75/x - Step 3: Cross multiply
343,890.75x = 474,612.99 × 192,987.75 - Step 4: Simplify right side
343,890.75x = 91,594,493,060.87 - Step 5: Solve for x
x = 91,594,493,060.87/343,890.75 - Step 6: Final answer
x = 266,347.65
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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.