Finding the Fourth Proportional to 272,292.42, 375,751.93 and 149,777.02
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Solution
The fourth proportional to 272,292.42, 375,751.93 and 149,777.02 is: 206,685.90
Step by Step Solution
- Step 1: Write the proportion equation
272,292.42 : 375,751.93 = 149,777.02 : x - Step 2: Convert to fraction form
272,292.42/375,751.93 = 149,777.02/x - Step 3: Cross multiply
272,292.42x = 375,751.93 × 149,777.02 - Step 4: Simplify right side
272,292.42x = 56,279,004,334.65 - Step 5: Solve for x
x = 56,279,004,334.65/272,292.42 - Step 6: Final answer
x = 206,685.90
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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.