Finding the Fourth Proportional to 133,623.28, 184,403.09 and 76,261.46
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Solution
The fourth proportional to 133,623.28, 184,403.09 and 76,261.46 is: 105,242.50
Step by Step Solution
- Step 1: Write the proportion equation
133,623.28 : 184,403.09 = 76,261.46 : x - Step 2: Convert to fraction form
133,623.28/184,403.09 = 76,261.46/x - Step 3: Cross multiply
133,623.28x = 184,403.09 × 76,261.46 - Step 4: Simplify right side
133,623.28x = 14,062,847,926.06 - Step 5: Solve for x
x = 14,062,847,926.06/133,623.28 - Step 6: Final answer
x = 105,242.50
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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.