Finding the Fourth Proportional to 297,962.06, 410,785.18 and 202,302.70
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Solution
The fourth proportional to 297,962.06, 410,785.18 and 202,302.70 is: 278,904.47
Step by Step Solution
- Step 1: Write the proportion equation
297,962.06 : 410,785.18 = 202,302.70 : x - Step 2: Convert to fraction form
297,962.06/410,785.18 = 202,302.70/x - Step 3: Cross multiply
297,962.06x = 410,785.18 × 202,302.70 - Step 4: Simplify right side
297,962.06x = 83,102,951,033.99 - Step 5: Solve for x
x = 83,102,951,033.99/297,962.06 - Step 6: Final answer
x = 278,904.47
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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.