Finding the Fourth Proportional to 410,292.08, 615,435.36 and 220,841.72
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Solution
The fourth proportional to 410,292.08, 615,435.36 and 220,841.72 is: 331,261.09
Step by Step Solution
- Step 1: Write the proportion equation
410,292.08 : 615,435.36 = 220,841.72 : x - Step 2: Convert to fraction form
410,292.08/615,435.36 = 220,841.72/x - Step 3: Cross multiply
410,292.08x = 615,435.36 × 220,841.72 - Step 4: Simplify right side
410,292.08x = 135,913,803,451.22 - Step 5: Solve for x
x = 135,913,803,451.22/410,292.08 - Step 6: Final answer
x = 331,261.09
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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.