Finding the Fourth Proportional to 248,738.79, 343,260.68 and 141,314.71
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Solution
The fourth proportional to 248,738.79, 343,260.68 and 141,314.71 is: 195,014.95
Step by Step Solution
- Step 1: Write the proportion equation
248,738.79 : 343,260.68 = 141,314.71 : x - Step 2: Convert to fraction form
248,738.79/343,260.68 = 141,314.71/x - Step 3: Cross multiply
248,738.79x = 343,260.68 × 141,314.71 - Step 4: Simplify right side
248,738.79x = 48,507,783,448.60 - Step 5: Solve for x
x = 48,507,783,448.60/248,738.79 - Step 6: Final answer
x = 195,014.95
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1.5x scale
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.