Finding the Fourth Proportional to 462,862.97, 638,493.68 and 269,248.90
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Solution
The fourth proportional to 462,862.97, 638,493.68 and 269,248.90 is: 371,413.85
Step by Step Solution
- Step 1: Write the proportion equation
462,862.97 : 638,493.68 = 269,248.90 : x - Step 2: Convert to fraction form
462,862.97/638,493.68 = 269,248.90/x - Step 3: Cross multiply
462,862.97x = 638,493.68 × 269,248.90 - Step 4: Simplify right side
462,862.97x = 171,913,716,458.24 - Step 5: Solve for x
x = 171,913,716,458.24/462,862.97 - Step 6: Final answer
x = 371,413.85
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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.