Finding the Fourth Proportional to 354,586.50, 489,330.56 and 193,444.95
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Solution
The fourth proportional to 354,586.50, 489,330.56 and 193,444.95 is: 266,954.68
Step by Step Solution
- Step 1: Write the proportion equation
354,586.50 : 489,330.56 = 193,444.95 : x - Step 2: Convert to fraction form
354,586.50/489,330.56 = 193,444.95/x - Step 3: Cross multiply
354,586.50x = 489,330.56 × 193,444.95 - Step 4: Simplify right side
354,586.50x = 94,658,525,712.67 - Step 5: Solve for x
x = 94,658,525,712.67/354,586.50 - Step 6: Final answer
x = 266,954.68
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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.