Finding the Fourth Proportional to 311,950.20, 467,925.30 and 125,095.80
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Solution
The fourth proportional to 311,950.20, 467,925.30 and 125,095.80 is: 187,643.70
Step by Step Solution
- Step 1: Write the proportion equation
311,950.20 : 467,925.30 = 125,095.80 : x - Step 2: Convert to fraction form
311,950.20/467,925.30 = 125,095.80/x - Step 3: Cross multiply
311,950.20x = 467,925.30 × 125,095.80 - Step 4: Simplify right side
311,950.20x = 58,535,489,743.74 - Step 5: Solve for x
x = 58,535,489,743.74/311,950.20 - Step 6: Final answer
x = 187,643.70
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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.