Finding the Fourth Proportional to 313,104.74, 432,084.70 and 169,864.75
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Solution
The fourth proportional to 313,104.74, 432,084.70 and 169,864.75 is: 234,413.43
Step by Step Solution
- Step 1: Write the proportion equation
313,104.74 : 432,084.70 = 169,864.75 : x - Step 2: Convert to fraction form
313,104.74/432,084.70 = 169,864.75/x - Step 3: Cross multiply
313,104.74x = 432,084.70 × 169,864.75 - Step 4: Simplify right side
313,104.74x = 73,395,956,534.58 - Step 5: Solve for x
x = 73,395,956,534.58/313,104.74 - Step 6: Final answer
x = 234,413.43
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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.