Finding the Fourth Proportional to 313,657.80, 432,833.66 and 177,688.98
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Solution
The fourth proportional to 313,657.80, 432,833.66 and 177,688.98 is: 245,202.80
Step by Step Solution
- Step 1: Write the proportion equation
313,657.80 : 432,833.66 = 177,688.98 : x - Step 2: Convert to fraction form
313,657.80/432,833.66 = 177,688.98/x - Step 3: Cross multiply
313,657.80x = 432,833.66 × 177,688.98 - Step 4: Simplify right side
313,657.80x = 76,909,771,555.07 - Step 5: Solve for x
x = 76,909,771,555.07/313,657.80 - Step 6: Final answer
x = 245,202.80
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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.