Finding the Fourth Proportional to 888,145.96, 1,331,917.98 and 288,959.08
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Solution
The fourth proportional to 888,145.96, 1,331,917.98 and 288,959.08 is: 433,340.70
Step by Step Solution
- Step 1: Write the proportion equation
888,145.96 : 1,331,917.98 = 288,959.08 : x - Step 2: Convert to fraction form
888,145.96/1,331,917.98 = 288,959.08/x - Step 3: Cross multiply
888,145.96x = 1,331,917.98 × 288,959.08 - Step 4: Simplify right side
888,145.96x = 384,869,794,136.26 - Step 5: Solve for x
x = 384,869,794,136.26/888,145.96 - Step 6: Final answer
x = 433,340.70
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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.