Finding the Fourth Proportional to 318,777.34, 477,944.06 and 141,188.08
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Solution
The fourth proportional to 318,777.34, 477,944.06 and 141,188.08 is: 211,683.82
Step by Step Solution
- Step 1: Write the proportion equation
318,777.34 : 477,944.06 = 141,188.08 : x - Step 2: Convert to fraction form
318,777.34/477,944.06 = 141,188.08/x - Step 3: Cross multiply
318,777.34x = 477,944.06 × 141,188.08 - Step 4: Simplify right side
318,777.34x = 67,480,004,178.80 - Step 5: Solve for x
x = 67,480,004,178.80/318,777.34 - Step 6: Final answer
x = 211,683.82
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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.