Finding the Fourth Proportional to 354,132.76, 488,685.81 and 192,987.31
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Solution
The fourth proportional to 354,132.76, 488,685.81 and 192,987.31 is: 266,313.01
Step by Step Solution
- Step 1: Write the proportion equation
354,132.76 : 488,685.81 = 192,987.31 : x - Step 2: Convert to fraction form
354,132.76/488,685.81 = 192,987.31/x - Step 3: Cross multiply
354,132.76x = 488,685.81 × 192,987.31 - Step 4: Simplify right side
354,132.76x = 94,310,159,907.07 - Step 5: Solve for x
x = 94,310,159,907.07/354,132.76 - Step 6: Final answer
x = 266,313.01
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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.