Finding the Fourth Proportional to 165,461.38, 248,230.98 and 47,134.42
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Solution
The fourth proportional to 165,461.38, 248,230.98 and 47,134.42 is: 70,712.71
Step by Step Solution
- Step 1: Write the proportion equation
165,461.38 : 248,230.98 = 47,134.42 : x - Step 2: Convert to fraction form
165,461.38/248,230.98 = 47,134.42/x - Step 3: Cross multiply
165,461.38x = 248,230.98 × 47,134.42 - Step 4: Simplify right side
165,461.38x = 11,700,223,268.33 - Step 5: Solve for x
x = 11,700,223,268.33/165,461.38 - Step 6: Final answer
x = 70,712.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.