Finding the Fourth Proportional to 376,710.49, 519,996.98 and 249,427.09
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Solution
The fourth proportional to 376,710.49, 519,996.98 and 249,427.09 is: 344,299.77
Step by Step Solution
- Step 1: Write the proportion equation
376,710.49 : 519,996.98 = 249,427.09 : x - Step 2: Convert to fraction form
376,710.49/519,996.98 = 249,427.09/x - Step 3: Cross multiply
376,710.49x = 519,996.98 × 249,427.09 - Step 4: Simplify right side
376,710.49x = 129,701,333,530.19 - Step 5: Solve for x
x = 129,701,333,530.19/376,710.49 - Step 6: Final answer
x = 344,299.77
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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.