Finding the Fourth Proportional to 689,151.07, 1,033,725.99 and 215,873.35
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Solution
The fourth proportional to 689,151.07, 1,033,725.99 and 215,873.35 is: 323,809.83
Step by Step Solution
- Step 1: Write the proportion equation
689,151.07 : 1,033,725.99 = 215,873.35 : x - Step 2: Convert to fraction form
689,151.07/1,033,725.99 = 215,873.35/x - Step 3: Cross multiply
689,151.07x = 1,033,725.99 × 215,873.35 - Step 4: Simplify right side
689,151.07x = 223,153,892,443.37 - Step 5: Solve for x
x = 223,153,892,443.37/689,151.07 - Step 6: Final answer
x = 323,809.83
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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.