Finding the Fourth Proportional to 354,491.28, 489,203.28 and 193,345.74
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Solution
The fourth proportional to 354,491.28, 489,203.28 and 193,345.74 is: 266,820.02
Step by Step Solution
- Step 1: Write the proportion equation
354,491.28 : 489,203.28 = 193,345.74 : x - Step 2: Convert to fraction form
354,491.28/489,203.28 = 193,345.74/x - Step 3: Cross multiply
354,491.28x = 489,203.28 × 193,345.74 - Step 4: Simplify right side
354,491.28x = 94,585,370,182.03 - Step 5: Solve for x
x = 94,585,370,182.03/354,491.28 - Step 6: Final answer
x = 266,820.02
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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.