Finding the Fourth Proportional to 286,727.64, 395,694.28 and 157,675.94
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Solution
The fourth proportional to 286,727.64, 395,694.28 and 157,675.94 is: 217,598.37
Step by Step Solution
- Step 1: Write the proportion equation
286,727.64 : 395,694.28 = 157,675.94 : x - Step 2: Convert to fraction form
286,727.64/395,694.28 = 157,675.94/x - Step 3: Cross multiply
286,727.64x = 395,694.28 × 157,675.94 - Step 4: Simplify right side
286,727.64x = 62,391,467,551.62 - Step 5: Solve for x
x = 62,391,467,551.62/286,727.64 - Step 6: Final answer
x = 217,598.37
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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.