Finding the Fourth Proportional to 296,284.05, 408,870.68 and 160,320.41
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Solution
The fourth proportional to 296,284.05, 408,870.68 and 160,320.41 is: 221,241.45
Step by Step Solution
- Step 1: Write the proportion equation
296,284.05 : 408,870.68 = 160,320.41 : x - Step 2: Convert to fraction form
296,284.05/408,870.68 = 160,320.41/x - Step 3: Cross multiply
296,284.05x = 408,870.68 × 160,320.41 - Step 4: Simplify right side
296,284.05x = 65,550,312,208.62 - Step 5: Solve for x
x = 65,550,312,208.62/296,284.05 - Step 6: Final answer
x = 221,241.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.