Finding the Fourth Proportional to 354,567.99, 489,305.43 and 193,422.54
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Solution
The fourth proportional to 354,567.99, 489,305.43 and 193,422.54 is: 266,923.98
Step by Step Solution
- Step 1: Write the proportion equation
354,567.99 : 489,305.43 = 193,422.54 : x - Step 2: Convert to fraction form
354,567.99/489,305.43 = 193,422.54/x - Step 3: Cross multiply
354,567.99x = 489,305.43 × 193,422.54 - Step 4: Simplify right side
354,567.99x = 94,642,699,106.39 - Step 5: Solve for x
x = 94,642,699,106.39/354,567.99 - Step 6: Final answer
x = 266,923.98
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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.