Finding the Fourth Proportional to 255,024.74, 351,926.84 and 138,734.56
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Solution
The fourth proportional to 255,024.74, 351,926.84 and 138,734.56 is: 191,449.72
Step by Step Solution
- Step 1: Write the proportion equation
255,024.74 : 351,926.84 = 138,734.56 : x - Step 2: Convert to fraction form
255,024.74/351,926.84 = 138,734.56/x - Step 3: Cross multiply
255,024.74x = 351,926.84 × 138,734.56 - Step 4: Simplify right side
255,024.74x = 48,824,415,299.59 - Step 5: Solve for x
x = 48,824,415,299.59/255,024.74 - Step 6: Final answer
x = 191,449.72
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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.