Finding the Fourth Proportional to 165,776.48, 228,772.05 and 94,157.09
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Solution
The fourth proportional to 165,776.48, 228,772.05 and 94,157.09 is: 129,937.07
Step by Step Solution
- Step 1: Write the proportion equation
165,776.48 : 228,772.05 = 94,157.09 : x - Step 2: Convert to fraction form
165,776.48/228,772.05 = 94,157.09/x - Step 3: Cross multiply
165,776.48x = 228,772.05 × 94,157.09 - Step 4: Simplify right side
165,776.48x = 21,540,510,501.33 - Step 5: Solve for x
x = 21,540,510,501.33/165,776.48 - Step 6: Final answer
x = 129,937.07
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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.