Finding the Fourth Proportional to 252,671.12, 379,001.48 and 84,203.68
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Solution
The fourth proportional to 252,671.12, 379,001.48 and 84,203.68 is: 126,303.79
Step by Step Solution
- Step 1: Write the proportion equation
252,671.12 : 379,001.48 = 84,203.68 : x - Step 2: Convert to fraction form
252,671.12/379,001.48 = 84,203.68/x - Step 3: Cross multiply
252,671.12x = 379,001.48 × 84,203.68 - Step 4: Simplify right side
252,671.12x = 31,913,319,341.45 - Step 5: Solve for x
x = 31,913,319,341.45/252,671.12 - Step 6: Final answer
x = 126,303.79
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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.