Finding the Fourth Proportional to 84,214.35, 126,254.46 and 48,635.20
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Solution
The fourth proportional to 84,214.35, 126,254.46 and 48,635.20 is: 72,914.07
Step by Step Solution
- Step 1: Write the proportion equation
84,214.35 : 126,254.46 = 48,635.20 : x - Step 2: Convert to fraction form
84,214.35/126,254.46 = 48,635.20/x - Step 3: Cross multiply
84,214.35x = 126,254.46 × 48,635.20 - Step 4: Simplify right side
84,214.35x = 6,140,411,253.19 - Step 5: Solve for x
x = 6,140,411,253.19/84,214.35 - Step 6: Final answer
x = 72,914.07
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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.