Finding the Fourth Proportional to 409,479.09, 614,220.21 and 125,168.55
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Solution
The fourth proportional to 409,479.09, 614,220.21 and 125,168.55 is: 187,753.30
Step by Step Solution
- Step 1: Write the proportion equation
409,479.09 : 614,220.21 = 125,168.55 : x - Step 2: Convert to fraction form
409,479.09/614,220.21 = 125,168.55/x - Step 3: Cross multiply
409,479.09x = 614,220.21 × 125,168.55 - Step 4: Simplify right side
409,479.09x = 76,881,050,763.07 - Step 5: Solve for x
x = 76,881,050,763.07/409,479.09 - Step 6: Final answer
x = 187,753.30
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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.