Finding the Fourth Proportional to 286,588.64, 395,460.87 and 165,711.62
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Solution
The fourth proportional to 286,588.64, 395,460.87 and 165,711.62 is: 228,663.85
Step by Step Solution
- Step 1: Write the proportion equation
286,588.64 : 395,460.87 = 165,711.62 : x - Step 2: Convert to fraction form
286,588.64/395,460.87 = 165,711.62/x - Step 3: Cross multiply
286,588.64x = 395,460.87 × 165,711.62 - Step 4: Simplify right side
286,588.64x = 65,532,459,437.01 - Step 5: Solve for x
x = 65,532,459,437.01/286,588.64 - Step 6: Final answer
x = 228,663.85
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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.