Finding the Fourth Proportional to 286,676.93, 395,579.79 and 157,594.11
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Solution
The fourth proportional to 286,676.93, 395,579.79 and 157,594.11 is: 217,460.98
Step by Step Solution
- Step 1: Write the proportion equation
286,676.93 : 395,579.79 = 157,594.11 : x - Step 2: Convert to fraction form
286,676.93/395,579.79 = 157,594.11/x - Step 3: Cross multiply
286,676.93x = 395,579.79 × 157,594.11 - Step 4: Simplify right side
286,676.93x = 62,341,044,939.04 - Step 5: Solve for x
x = 62,341,044,939.04/286,676.93 - Step 6: Final answer
x = 217,460.98
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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.