Finding the Fourth Proportional to 517,435.20, 776,234.88 and 162,370.08
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Solution
The fourth proportional to 517,435.20, 776,234.88 and 162,370.08 is: 243,580.88
Step by Step Solution
- Step 1: Write the proportion equation
517,435.20 : 776,234.88 = 162,370.08 : x - Step 2: Convert to fraction form
517,435.20/776,234.88 = 162,370.08/x - Step 3: Cross multiply
517,435.20x = 776,234.88 × 162,370.08 - Step 4: Simplify right side
517,435.20x = 126,037,319,564.39 - Step 5: Solve for x
x = 126,037,319,564.39/517,435.20 - Step 6: Final answer
x = 243,580.88
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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.