Finding the Fourth Proportional to 227,639.81, 314,134.71 and 125,663.08
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Solution
The fourth proportional to 227,639.81, 314,134.71 and 125,663.08 is: 173,410.51
Step by Step Solution
- Step 1: Write the proportion equation
227,639.81 : 314,134.71 = 125,663.08 : x - Step 2: Convert to fraction form
227,639.81/314,134.71 = 125,663.08/x - Step 3: Cross multiply
227,639.81x = 314,134.71 × 125,663.08 - Step 4: Simplify right side
227,639.81x = 39,475,136,204.62 - Step 5: Solve for x
x = 39,475,136,204.62/227,639.81 - Step 6: Final answer
x = 173,410.51
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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.