Finding the Fourth Proportional to 358,765.98, 494,998.56 and 249,748.20
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Solution
The fourth proportional to 358,765.98, 494,998.56 and 249,748.20 is: 344,583.95
Step by Step Solution
- Step 1: Write the proportion equation
358,765.98 : 494,998.56 = 249,748.20 : x - Step 2: Convert to fraction form
358,765.98/494,998.56 = 249,748.20/x - Step 3: Cross multiply
358,765.98x = 494,998.56 × 249,748.20 - Step 4: Simplify right side
358,765.98x = 123,624,999,362.59 - Step 5: Solve for x
x = 123,624,999,362.59/358,765.98 - Step 6: Final answer
x = 344,583.95
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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.