Finding the Fourth Proportional to 313,549.75, 432,700.98 and 170,309.74
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Solution
The fourth proportional to 313,549.75, 432,700.98 and 170,309.74 is: 235,028.70
Step by Step Solution
- Step 1: Write the proportion equation
313,549.75 : 432,700.98 = 170,309.74 : x - Step 2: Convert to fraction form
313,549.75/432,700.98 = 170,309.74/x - Step 3: Cross multiply
313,549.75x = 432,700.98 × 170,309.74 - Step 4: Simplify right side
313,549.75x = 73,693,191,401.55 - Step 5: Solve for x
x = 73,693,191,401.55/313,549.75 - Step 6: Final answer
x = 235,028.70
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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.