Finding the Fourth Proportional to 313,651.17, 432,859.96 and 177,686.19
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Solution
The fourth proportional to 313,651.17, 432,859.96 and 177,686.19 is: 245,219.03
Step by Step Solution
- Step 1: Write the proportion equation
313,651.17 : 432,859.96 = 177,686.19 : x - Step 2: Convert to fraction form
313,651.17/432,859.96 = 177,686.19/x - Step 3: Cross multiply
313,651.17x = 432,859.96 × 177,686.19 - Step 4: Simplify right side
313,651.17x = 76,913,237,095.95 - Step 5: Solve for x
x = 76,913,237,095.95/313,651.17 - Step 6: Final answer
x = 245,219.03
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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.