Finding the Fourth Proportional to 256,734.24, 354,265.98 and 141,994.65
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Solution
The fourth proportional to 256,734.24, 354,265.98 and 141,994.65 is: 195,937.53
Step by Step Solution
- Step 1: Write the proportion equation
256,734.24 : 354,265.98 = 141,994.65 : x - Step 2: Convert to fraction form
256,734.24/354,265.98 = 141,994.65/x - Step 3: Cross multiply
256,734.24x = 354,265.98 × 141,994.65 - Step 4: Simplify right side
256,734.24x = 50,303,873,837.01 - Step 5: Solve for x
x = 50,303,873,837.01/256,734.24 - Step 6: Final answer
x = 195,937.53
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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.