Finding the Fourth Proportional to 165,549.12, 228,725.28 and 115,471.68
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Solution
The fourth proportional to 165,549.12, 228,725.28 and 115,471.68 is: 159,537.50
Step by Step Solution
- Step 1: Write the proportion equation
165,549.12 : 228,725.28 = 115,471.68 : x - Step 2: Convert to fraction form
165,549.12/228,725.28 = 115,471.68/x - Step 3: Cross multiply
165,549.12x = 228,725.28 × 115,471.68 - Step 4: Simplify right side
165,549.12x = 26,411,292,340.07 - Step 5: Solve for x
x = 26,411,292,340.07/165,549.12 - Step 6: Final answer
x = 159,537.50
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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.