Finding the Fourth Proportional to 249,675.21, 374,531.04 and 72,183.15
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Solution
The fourth proportional to 249,675.21, 374,531.04 and 72,183.15 is: 108,279.99
Step by Step Solution
- Step 1: Write the proportion equation
249,675.21 : 374,531.04 = 72,183.15 : x - Step 2: Convert to fraction form
249,675.21/374,531.04 = 72,183.15/x - Step 3: Cross multiply
249,675.21x = 374,531.04 × 72,183.15 - Step 4: Simplify right side
249,675.21x = 27,034,830,239.98 - Step 5: Solve for x
x = 27,034,830,239.98/249,675.21 - Step 6: Final answer
x = 108,279.99
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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.