Finding the Fourth Proportional to 419,602.82, 629,953.04 and 249,135.74
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Solution
The fourth proportional to 419,602.82, 629,953.04 and 249,135.74 is: 374,029.45
Step by Step Solution
- Step 1: Write the proportion equation
419,602.82 : 629,953.04 = 249,135.74 : x - Step 2: Convert to fraction form
419,602.82/629,953.04 = 249,135.74/x - Step 3: Cross multiply
419,602.82x = 629,953.04 × 249,135.74 - Step 4: Simplify right side
419,602.82x = 156,943,812,390.21 - Step 5: Solve for x
x = 156,943,812,390.21/419,602.82 - Step 6: Final answer
x = 374,029.45
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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.