Finding the Fourth Proportional to 165,809.23, 228,793.65 and 93,201.84
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Solution
The fourth proportional to 165,809.23, 228,793.65 and 93,201.84 is: 128,605.56
Step by Step Solution
- Step 1: Write the proportion equation
165,809.23 : 228,793.65 = 93,201.84 : x - Step 2: Convert to fraction form
165,809.23/228,793.65 = 93,201.84/x - Step 3: Cross multiply
165,809.23x = 228,793.65 × 93,201.84 - Step 4: Simplify right side
165,809.23x = 21,323,988,810.81 - Step 5: Solve for x
x = 21,323,988,810.81/165,809.23 - Step 6: Final answer
x = 128,605.56
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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.