Finding the Fourth Proportional to 451,289.28, 676,221.84 and 166,588.08
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Solution
The fourth proportional to 451,289.28, 676,221.84 and 166,588.08 is: 249,619.26
Step by Step Solution
- Step 1: Write the proportion equation
451,289.28 : 676,221.84 = 166,588.08 : x - Step 2: Convert to fraction form
451,289.28/676,221.84 = 166,588.08/x - Step 3: Cross multiply
451,289.28x = 676,221.84 × 166,588.08 - Step 4: Simplify right side
451,289.28x = 112,650,497,979.67 - Step 5: Solve for x
x = 112,650,497,979.67/451,289.28 - Step 6: Final answer
x = 249,619.26
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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.