Finding the Fourth Proportional to 416,155.26, 573,985.20 and 252,811.08
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Solution
The fourth proportional to 416,155.26, 573,985.20 and 252,811.08 is: 348,691.54
Step by Step Solution
- Step 1: Write the proportion equation
416,155.26 : 573,985.20 = 252,811.08 : x - Step 2: Convert to fraction form
416,155.26/573,985.20 = 252,811.08/x - Step 3: Cross multiply
416,155.26x = 573,985.20 × 252,811.08 - Step 4: Simplify right side
416,155.26x = 145,109,818,316.02 - Step 5: Solve for x
x = 145,109,818,316.02/416,155.26 - Step 6: Final answer
x = 348,691.54
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1.5x scale
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.