Finding the Fourth Proportional to 579,063.06, 868,710.70 and 199,997.70
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Solution
The fourth proportional to 579,063.06, 868,710.70 and 199,997.70 is: 300,036.65
Step by Step Solution
- Step 1: Write the proportion equation
579,063.06 : 868,710.70 = 199,997.70 : x - Step 2: Convert to fraction form
579,063.06/868,710.70 = 199,997.70/x - Step 3: Cross multiply
579,063.06x = 868,710.70 × 199,997.70 - Step 4: Simplify right side
579,063.06x = 173,740,141,965.39 - Step 5: Solve for x
x = 173,740,141,965.39/579,063.06 - Step 6: Final answer
x = 300,036.65
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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.