Finding the Fourth Proportional to 369,513.96, 509,930.02 and 199,748.09
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Solution
The fourth proportional to 369,513.96, 509,930.02 and 199,748.09 is: 275,652.77
Step by Step Solution
- Step 1: Write the proportion equation
369,513.96 : 509,930.02 = 199,748.09 : x - Step 2: Convert to fraction form
369,513.96/509,930.02 = 199,748.09/x - Step 3: Cross multiply
369,513.96x = 509,930.02 × 199,748.09 - Step 4: Simplify right side
369,513.96x = 101,857,547,528.66 - Step 5: Solve for x
x = 101,857,547,528.66/369,513.96 - Step 6: Final answer
x = 275,652.77
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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.