Finding the Fourth Proportional to 409,552.20, 614,328.30 and 374,122.80
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Solution
The fourth proportional to 409,552.20, 614,328.30 and 374,122.80 is: 561,184.20
Step by Step Solution
- Step 1: Write the proportion equation
409,552.20 : 614,328.30 = 374,122.80 : x - Step 2: Convert to fraction form
409,552.20/614,328.30 = 374,122.80/x - Step 3: Cross multiply
409,552.20x = 614,328.30 × 374,122.80 - Step 4: Simplify right side
409,552.20x = 229,834,223,715.24 - Step 5: Solve for x
x = 229,834,223,715.24/409,552.20 - Step 6: Final answer
x = 561,184.20
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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.