Finding the Fourth Proportional to 318,101.80, 477,152.70 and 302,549.80
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Solution
The fourth proportional to 318,101.80, 477,152.70 and 302,549.80 is: 453,824.70
Step by Step Solution
- Step 1: Write the proportion equation
318,101.80 : 477,152.70 = 302,549.80 : x - Step 2: Convert to fraction form
318,101.80/477,152.70 = 302,549.80/x - Step 3: Cross multiply
318,101.80x = 477,152.70 × 302,549.80 - Step 4: Simplify right side
318,101.80x = 144,362,453,954.46 - Step 5: Solve for x
x = 144,362,453,954.46/318,101.80 - Step 6: Final answer
x = 453,824.70
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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.