Finding the Fourth Proportional to 313,258.77, 432,292.47 and 177,318.49
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Solution
The fourth proportional to 313,258.77, 432,292.47 and 177,318.49 is: 244,696.89
Step by Step Solution
- Step 1: Write the proportion equation
313,258.77 : 432,292.47 = 177,318.49 : x - Step 2: Convert to fraction form
313,258.77/432,292.47 = 177,318.49/x - Step 3: Cross multiply
313,258.77x = 432,292.47 × 177,318.49 - Step 4: Simplify right side
313,258.77x = 76,653,448,018.77 - Step 5: Solve for x
x = 76,653,448,018.77/313,258.77 - Step 6: Final answer
x = 244,696.89
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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.