Finding the Fourth Proportional to 409,401.70, 614,102.55 and 304,425.70
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Solution
The fourth proportional to 409,401.70, 614,102.55 and 304,425.70 is: 456,638.55
Step by Step Solution
- Step 1: Write the proportion equation
409,401.70 : 614,102.55 = 304,425.70 : x - Step 2: Convert to fraction form
409,401.70/614,102.55 = 304,425.70/x - Step 3: Cross multiply
409,401.70x = 614,102.55 × 304,425.70 - Step 4: Simplify right side
409,401.70x = 186,948,598,655.54 - Step 5: Solve for x
x = 186,948,598,655.54/409,401.70 - Step 6: Final answer
x = 456,638.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.