Finding the Fourth Proportional to 371,771.79, 513,044.12 and 202,005.92
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Solution
The fourth proportional to 371,771.79, 513,044.12 and 202,005.92 is: 278,767.64
Step by Step Solution
- Step 1: Write the proportion equation
371,771.79 : 513,044.12 = 202,005.92 : x - Step 2: Convert to fraction form
371,771.79/513,044.12 = 202,005.92/x - Step 3: Cross multiply
371,771.79x = 513,044.12 × 202,005.92 - Step 4: Simplify right side
371,771.79x = 103,637,945,885.94 - Step 5: Solve for x
x = 103,637,945,885.94/371,771.79 - Step 6: Final answer
x = 278,767.64
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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.