Finding the Fourth Proportional to 422,029.61, 582,307.76 and 249,862.09
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Solution
The fourth proportional to 422,029.61, 582,307.76 and 249,862.09 is: 344,754.56
Step by Step Solution
- Step 1: Write the proportion equation
422,029.61 : 582,307.76 = 249,862.09 : x - Step 2: Convert to fraction form
422,029.61/582,307.76 = 249,862.09/x - Step 3: Cross multiply
422,029.61x = 582,307.76 × 249,862.09 - Step 4: Simplify right side
422,029.61x = 145,496,633,105.70 - Step 5: Solve for x
x = 145,496,633,105.70/422,029.61 - Step 6: Final answer
x = 344,754.56
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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.