Finding the Fourth Proportional to 165,309.66, 228,059.31 and 107,929.09
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Solution
The fourth proportional to 165,309.66, 228,059.31 and 107,929.09 is: 148,897.74
Step by Step Solution
- Step 1: Write the proportion equation
165,309.66 : 228,059.31 = 107,929.09 : x - Step 2: Convert to fraction form
165,309.66/228,059.31 = 107,929.09/x - Step 3: Cross multiply
165,309.66x = 228,059.31 × 107,929.09 - Step 4: Simplify right side
165,309.66x = 24,614,234,484.14 - Step 5: Solve for x
x = 24,614,234,484.14/165,309.66 - Step 6: Final answer
x = 148,897.74
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1.5x scale
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.