Finding the Fourth Proportional to 272,199.07, 375,639.08 and 149,696.29
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Solution
The fourth proportional to 272,199.07, 375,639.08 and 149,696.29 is: 206,583.28
Step by Step Solution
- Step 1: Write the proportion equation
272,199.07 : 375,639.08 = 149,696.29 : x - Step 2: Convert to fraction form
272,199.07/375,639.08 = 149,696.29/x - Step 3: Cross multiply
272,199.07x = 375,639.08 × 149,696.29 - Step 4: Simplify right side
272,199.07x = 56,231,776,655.01 - Step 5: Solve for x
x = 56,231,776,655.01/272,199.07 - Step 6: Final answer
x = 206,583.28
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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.