Finding the Fourth Proportional to 409,701.65, 565,334.03 and 248,563.49
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Solution
The fourth proportional to 409,701.65, 565,334.03 and 248,563.49 is: 342,984.70
Step by Step Solution
- Step 1: Write the proportion equation
409,701.65 : 565,334.03 = 248,563.49 : x - Step 2: Convert to fraction form
409,701.65/565,334.03 = 248,563.49/x - Step 3: Cross multiply
409,701.65x = 565,334.03 × 248,563.49 - Step 4: Simplify right side
409,701.65x = 140,521,397,307.30 - Step 5: Solve for x
x = 140,521,397,307.30/409,701.65 - Step 6: Final answer
x = 342,984.70
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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.