Finding the Fourth Proportional to 286,566.68, 395,465.60 and 157,519.24
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Solution
The fourth proportional to 286,566.68, 395,465.60 and 157,519.24 is: 217,378.52
Step by Step Solution
- Step 1: Write the proportion equation
286,566.68 : 395,465.60 = 157,519.24 : x - Step 2: Convert to fraction form
286,566.68/395,465.60 = 157,519.24/x - Step 3: Cross multiply
286,566.68x = 395,465.60 × 157,519.24 - Step 4: Simplify right side
286,566.68x = 62,293,440,758.14 - Step 5: Solve for x
x = 62,293,440,758.14/286,566.68 - Step 6: Final answer
x = 217,378.52
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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.