Finding the Fourth Proportional to 354,542.99, 489,272.45 and 193,398.76
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Solution
The fourth proportional to 354,542.99, 489,272.45 and 193,398.76 is: 266,891.99
Step by Step Solution
- Step 1: Write the proportion equation
354,542.99 : 489,272.45 = 193,398.76 : x - Step 2: Convert to fraction form
354,542.99/489,272.45 = 193,398.76/x - Step 3: Cross multiply
354,542.99x = 489,272.45 × 193,398.76 - Step 4: Simplify right side
354,542.99x = 94,624,685,132.16 - Step 5: Solve for x
x = 94,624,685,132.16/354,542.99 - Step 6: Final answer
x = 266,891.99
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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.