Finding the Fourth Proportional to 165,402.71, 228,566.03 and 135,177.00
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Solution
The fourth proportional to 165,402.71, 228,566.03 and 135,177.00 is: 186,797.85
Step by Step Solution
- Step 1: Write the proportion equation
165,402.71 : 228,566.03 = 135,177.00 : x - Step 2: Convert to fraction form
165,402.71/228,566.03 = 135,177.00/x - Step 3: Cross multiply
165,402.71x = 228,566.03 × 135,177.00 - Step 4: Simplify right side
165,402.71x = 30,896,870,370.17 - Step 5: Solve for x
x = 30,896,870,370.17/165,402.71 - Step 6: Final answer
x = 186,797.85
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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.