Finding the Fourth Proportional to 272,440.09, 375,961.43 and 157,723.59
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Solution
The fourth proportional to 272,440.09, 375,961.43 and 157,723.59 is: 217,655.15
Step by Step Solution
- Step 1: Write the proportion equation
272,440.09 : 375,961.43 = 157,723.59 : x - Step 2: Convert to fraction form
272,440.09/375,961.43 = 157,723.59/x - Step 3: Cross multiply
272,440.09x = 375,961.43 × 157,723.59 - Step 4: Simplify right side
272,440.09x = 59,297,986,441.13 - Step 5: Solve for x
x = 59,297,986,441.13/272,440.09 - Step 6: Final answer
x = 217,655.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.