Finding the Fourth Proportional to 354,544.99, 489,275.21 and 193,400.77
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Solution
The fourth proportional to 354,544.99, 489,275.21 and 193,400.77 is: 266,894.77
Step by Step Solution
- Step 1: Write the proportion equation
354,544.99 : 489,275.21 = 193,400.77 : x - Step 2: Convert to fraction form
354,544.99/489,275.21 = 193,400.77/x - Step 3: Cross multiply
354,544.99x = 489,275.21 × 193,400.77 - Step 4: Simplify right side
354,544.99x = 94,626,202,355.91 - Step 5: Solve for x
x = 94,626,202,355.91/354,544.99 - Step 6: Final answer
x = 266,894.77
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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.