Finding the Fourth Proportional to 272,291.42, 375,750.56 and 149,776.02
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Solution
The fourth proportional to 272,291.42, 375,750.56 and 149,776.02 is: 206,684.53
Step by Step Solution
- Step 1: Write the proportion equation
272,291.42 : 375,750.56 = 149,776.02 : x - Step 2: Convert to fraction form
272,291.42/375,750.56 = 149,776.02/x - Step 3: Cross multiply
272,291.42x = 375,750.56 × 149,776.02 - Step 4: Simplify right side
272,291.42x = 56,278,422,640.69 - Step 5: Solve for x
x = 56,278,422,640.69/272,291.42 - Step 6: Final answer
x = 206,684.53
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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.