Finding the Fourth Proportional to 354,539.49, 489,267.62 and 193,395.26
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Solution
The fourth proportional to 354,539.49, 489,267.62 and 193,395.26 is: 266,887.15
Step by Step Solution
- Step 1: Write the proportion equation
354,539.49 : 489,267.62 = 193,395.26 : x - Step 2: Convert to fraction form
354,539.49/489,267.62 = 193,395.26/x - Step 3: Cross multiply
354,539.49x = 489,267.62 × 193,395.26 - Step 4: Simplify right side
354,539.49x = 94,622,035,166.17 - Step 5: Solve for x
x = 94,622,035,166.17/354,539.49 - Step 6: Final answer
x = 266,887.15
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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.