Finding the Fourth Proportional to 549,107.01, 757,761.84 and 307,391.58
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Solution
The fourth proportional to 549,107.01, 757,761.84 and 307,391.58 is: 424,197.11
Step by Step Solution
- Step 1: Write the proportion equation
549,107.01 : 757,761.84 = 307,391.58 : x - Step 2: Convert to fraction form
549,107.01/757,761.84 = 307,391.58/x - Step 3: Cross multiply
549,107.01x = 757,761.84 × 307,391.58 - Step 4: Simplify right side
549,107.01x = 232,929,609,261.31 - Step 5: Solve for x
x = 232,929,609,261.31/549,107.01 - Step 6: Final answer
x = 424,197.11
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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.