Finding the Fourth Proportional to 313,655.79, 432,830.86 and 177,686.97
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Solution
The fourth proportional to 313,655.79, 432,830.86 and 177,686.97 is: 245,200.00
Step by Step Solution
- Step 1: Write the proportion equation
313,655.79 : 432,830.86 = 177,686.97 : x - Step 2: Convert to fraction form
313,655.79/432,830.86 = 177,686.97/x - Step 3: Cross multiply
313,655.79x = 432,830.86 × 177,686.97 - Step 4: Simplify right side
313,655.79x = 76,908,401,968.56 - Step 5: Solve for x
x = 76,908,401,968.56/313,655.79 - Step 6: Final answer
x = 245,200.00
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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.