Finding the Fourth Proportional to 354,418.98, 489,089.30 and 193,277.13
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Solution
The fourth proportional to 354,418.98, 489,089.30 and 193,277.13 is: 266,717.59
Step by Step Solution
- Step 1: Write the proportion equation
354,418.98 : 489,089.30 = 193,277.13 : x - Step 2: Convert to fraction form
354,418.98/489,089.30 = 193,277.13/x - Step 3: Cross multiply
354,418.98x = 489,089.30 × 193,277.13 - Step 4: Simplify right side
354,418.98x = 94,529,776,217.71 - Step 5: Solve for x
x = 94,529,776,217.71/354,418.98 - Step 6: Final answer
x = 266,717.59
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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.