Finding the Fourth Proportional to 475,876.68, 656,856.86 and 306,110.82
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Solution
The fourth proportional to 475,876.68, 656,856.86 and 306,110.82 is: 422,527.52
Step by Step Solution
- Step 1: Write the proportion equation
475,876.68 : 656,856.86 = 306,110.82 : x - Step 2: Convert to fraction form
475,876.68/656,856.86 = 306,110.82/x - Step 3: Cross multiply
475,876.68x = 656,856.86 × 306,110.82 - Step 4: Simplify right side
475,876.68x = 201,070,992,037.23 - Step 5: Solve for x
x = 201,070,992,037.23/475,876.68 - Step 6: Final answer
x = 422,527.52
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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.