Finding the Fourth Proportional to 77,177.28, 115,767.12 and 24,630.96
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Solution
The fourth proportional to 77,177.28, 115,767.12 and 24,630.96 is: 36,946.82
Step by Step Solution
- Step 1: Write the proportion equation
77,177.28 : 115,767.12 = 24,630.96 : x - Step 2: Convert to fraction form
77,177.28/115,767.12 = 24,630.96/x - Step 3: Cross multiply
77,177.28x = 115,767.12 × 24,630.96 - Step 4: Simplify right side
77,177.28x = 2,851,455,302.04 - Step 5: Solve for x
x = 2,851,455,302.04/77,177.28 - Step 6: Final answer
x = 36,946.82
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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.