Finding the Fourth Proportional to 194,898.56, 292,347.29 and 76,487.09
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Solution
The fourth proportional to 194,898.56, 292,347.29 and 76,487.09 is: 114,730.42
Step by Step Solution
- Step 1: Write the proportion equation
194,898.56 : 292,347.29 = 76,487.09 : x - Step 2: Convert to fraction form
194,898.56/292,347.29 = 76,487.09/x - Step 3: Cross multiply
194,898.56x = 292,347.29 × 76,487.09 - Step 4: Simplify right side
194,898.56x = 22,360,792,210.97 - Step 5: Solve for x
x = 22,360,792,210.97/194,898.56 - Step 6: Final answer
x = 114,730.42
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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.