Finding the Fourth Proportional to 165,935.58, 228,991.03 and 90,484.08
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Solution
The fourth proportional to 165,935.58, 228,991.03 and 90,484.08 is: 124,867.99
Step by Step Solution
- Step 1: Write the proportion equation
165,935.58 : 228,991.03 = 90,484.08 : x - Step 2: Convert to fraction form
165,935.58/228,991.03 = 90,484.08/x - Step 3: Cross multiply
165,935.58x = 228,991.03 × 90,484.08 - Step 4: Simplify right side
165,935.58x = 20,720,042,677.80 - Step 5: Solve for x
x = 20,720,042,677.80/165,935.58 - Step 6: Final answer
x = 124,867.99
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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.