Finding the Fourth Proportional to 76,783.90, 115,192.06 and 24,197.08
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Solution
The fourth proportional to 76,783.90, 115,192.06 and 24,197.08 is: 36,300.73
Step by Step Solution
- Step 1: Write the proportion equation
76,783.90 : 115,192.06 = 24,197.08 : x - Step 2: Convert to fraction form
76,783.90/115,192.06 = 24,197.08/x - Step 3: Cross multiply
76,783.90x = 115,192.06 × 24,197.08 - Step 4: Simplify right side
76,783.90x = 2,787,311,491.18 - Step 5: Solve for x
x = 2,787,311,491.18/76,783.90 - Step 6: Final answer
x = 36,300.73
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1.5x scale
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.