Finding the Fourth Proportional to 373,966.80, 560,950.20 and 121,246.80
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Solution
The fourth proportional to 373,966.80, 560,950.20 and 121,246.80 is: 181,870.20
Step by Step Solution
- Step 1: Write the proportion equation
373,966.80 : 560,950.20 = 121,246.80 : x - Step 2: Convert to fraction form
373,966.80/560,950.20 = 121,246.80/x - Step 3: Cross multiply
373,966.80x = 560,950.20 × 121,246.80 - Step 4: Simplify right side
373,966.80x = 68,013,416,709.36 - Step 5: Solve for x
x = 68,013,416,709.36/373,966.80 - Step 6: Final answer
x = 181,870.20
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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.