Finding the Fourth Proportional to 396,845.05, 547,656.35 and 215,567.35
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Solution
The fourth proportional to 396,845.05, 547,656.35 and 215,567.35 is: 297,488.48
Step by Step Solution
- Step 1: Write the proportion equation
396,845.05 : 547,656.35 = 215,567.35 : x - Step 2: Convert to fraction form
396,845.05/547,656.35 = 215,567.35/x - Step 3: Cross multiply
396,845.05x = 547,656.35 × 215,567.35 - Step 4: Simplify right side
396,845.05x = 118,056,828,689.19 - Step 5: Solve for x
x = 118,056,828,689.19/396,845.05 - Step 6: Final answer
x = 297,488.48
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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.