Finding the Fourth Proportional to 249,110.44, 373,415.84 and 129,100.18
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Solution
The fourth proportional to 249,110.44, 373,415.84 and 129,100.18 is: 193,520.80
Step by Step Solution
- Step 1: Write the proportion equation
249,110.44 : 373,415.84 = 129,100.18 : x - Step 2: Convert to fraction form
249,110.44/373,415.84 = 129,100.18/x - Step 3: Cross multiply
249,110.44x = 373,415.84 × 129,100.18 - Step 4: Simplify right side
249,110.44x = 48,208,051,764.09 - Step 5: Solve for x
x = 48,208,051,764.09/249,110.44 - Step 6: Final answer
x = 193,520.80
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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.