Finding the Fourth Proportional to 369,483.39, 509,886.74 and 199,717.52
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Solution
The fourth proportional to 369,483.39, 509,886.74 and 199,717.52 is: 275,609.99
Step by Step Solution
- Step 1: Write the proportion equation
369,483.39 : 509,886.74 = 199,717.52 : x - Step 2: Convert to fraction form
369,483.39/509,886.74 = 199,717.52/x - Step 3: Cross multiply
369,483.39x = 509,886.74 × 199,717.52 - Step 4: Simplify right side
369,483.39x = 101,833,313,143.55 - Step 5: Solve for x
x = 101,833,313,143.55/369,483.39 - Step 6: Final answer
x = 275,609.99
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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.