Finding the Fourth Proportional to 475,705.74, 656,818.32 and 306,235.08
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Solution
The fourth proportional to 475,705.74, 656,818.32 and 306,235.08 is: 422,826.12
Step by Step Solution
- Step 1: Write the proportion equation
475,705.74 : 656,818.32 = 306,235.08 : x - Step 2: Convert to fraction form
475,705.74/656,818.32 = 306,235.08/x - Step 3: Cross multiply
475,705.74x = 656,818.32 × 306,235.08 - Step 4: Simplify right side
475,705.74x = 201,140,810,770.67 - Step 5: Solve for x
x = 201,140,810,770.67/475,705.74 - Step 6: Final answer
x = 422,826.12
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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.