Finding the Fourth Proportional to 249,379.74, 374,122.12 and 80,886.88
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Solution
The fourth proportional to 249,379.74, 374,122.12 and 80,886.88 is: 121,347.35
Step by Step Solution
- Step 1: Write the proportion equation
249,379.74 : 374,122.12 = 80,886.88 : x - Step 2: Convert to fraction form
249,379.74/374,122.12 = 80,886.88/x - Step 3: Cross multiply
249,379.74x = 374,122.12 × 80,886.88 - Step 4: Simplify right side
249,379.74x = 30,261,570,163.17 - Step 5: Solve for x
x = 30,261,570,163.17/249,379.74 - Step 6: Final answer
x = 121,347.35
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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.