Finding the Fourth Proportional to 354,368.99, 489,028.05 and 193,223.66
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Solution
The fourth proportional to 354,368.99, 489,028.05 and 193,223.66 is: 266,648.01
Step by Step Solution
- Step 1: Write the proportion equation
354,368.99 : 489,028.05 = 193,223.66 : x - Step 2: Convert to fraction form
354,368.99/489,028.05 = 193,223.66/x - Step 3: Cross multiply
354,368.99x = 489,028.05 × 193,223.66 - Step 4: Simplify right side
354,368.99x = 94,491,787,218.52 - Step 5: Solve for x
x = 94,491,787,218.52/354,368.99 - Step 6: Final answer
x = 266,648.01
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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.