Finding the Fourth Proportional to 445,197.76, 614,253.36 and 254,173.12
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Solution
The fourth proportional to 445,197.76, 614,253.36 and 254,173.12 is: 350,690.65
Step by Step Solution
- Step 1: Write the proportion equation
445,197.76 : 614,253.36 = 254,173.12 : x - Step 2: Convert to fraction form
445,197.76/614,253.36 = 254,173.12/x - Step 3: Cross multiply
445,197.76x = 614,253.36 × 254,173.12 - Step 4: Simplify right side
445,197.76x = 156,126,692,981.68 - Step 5: Solve for x
x = 156,126,692,981.68/445,197.76 - Step 6: Final answer
x = 350,690.65
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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.