Finding the Fourth Proportional to 409,512.30, 614,268.45 and 366,209.70
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Solution
The fourth proportional to 409,512.30, 614,268.45 and 366,209.70 is: 549,314.55
Step by Step Solution
- Step 1: Write the proportion equation
409,512.30 : 614,268.45 = 366,209.70 : x - Step 2: Convert to fraction form
409,512.30/614,268.45 = 366,209.70/x - Step 3: Cross multiply
409,512.30x = 614,268.45 × 366,209.70 - Step 4: Simplify right side
409,512.30x = 224,951,064,793.97 - Step 5: Solve for x
x = 224,951,064,793.97/409,512.30 - Step 6: Final answer
x = 549,314.55
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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.