Finding the Fourth Proportional to 318,423.96, 477,669.35 and 158,539.55
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Solution
The fourth proportional to 318,423.96, 477,669.35 and 158,539.55 is: 237,825.95
Step by Step Solution
- Step 1: Write the proportion equation
318,423.96 : 477,669.35 = 158,539.55 : x - Step 2: Convert to fraction form
318,423.96/477,669.35 = 158,539.55/x - Step 3: Cross multiply
318,423.96x = 477,669.35 × 158,539.55 - Step 4: Simplify right side
318,423.96x = 75,729,481,805.79 - Step 5: Solve for x
x = 75,729,481,805.79/318,423.96 - Step 6: Final answer
x = 237,825.95
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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.