Finding the Fourth Proportional to 354,374.90, 489,026.67 and 193,233.09
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Solution
The fourth proportional to 354,374.90, 489,026.67 and 193,233.09 is: 266,655.84
Step by Step Solution
- Step 1: Write the proportion equation
354,374.90 : 489,026.67 = 193,233.09 : x - Step 2: Convert to fraction form
354,374.90/489,026.67 = 193,233.09/x - Step 3: Cross multiply
354,374.90x = 489,026.67 × 193,233.09 - Step 4: Simplify right side
354,374.90x = 94,496,135,645.74 - Step 5: Solve for x
x = 94,496,135,645.74/354,374.90 - Step 6: Final answer
x = 266,655.84
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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.