Finding the Fourth Proportional to 318,089.80, 477,134.70 and 152,201.80
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Solution
The fourth proportional to 318,089.80, 477,134.70 and 152,201.80 is: 228,302.70
Step by Step Solution
- Step 1: Write the proportion equation
318,089.80 : 477,134.70 = 152,201.80 : x - Step 2: Convert to fraction form
318,089.80/477,134.70 = 152,201.80/x - Step 3: Cross multiply
318,089.80x = 477,134.70 × 152,201.80 - Step 4: Simplify right side
318,089.80x = 72,620,760,182.46 - Step 5: Solve for x
x = 72,620,760,182.46/318,089.80 - Step 6: Final answer
x = 228,302.70
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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.