Finding the Fourth Proportional to 371,849.48, 513,156.24 and 202,083.60
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Solution
The fourth proportional to 371,849.48, 513,156.24 and 202,083.60 is: 278,877.52
Step by Step Solution
- Step 1: Write the proportion equation
371,849.48 : 513,156.24 = 202,083.60 : x - Step 2: Convert to fraction form
371,849.48/513,156.24 = 202,083.60/x - Step 3: Cross multiply
371,849.48x = 513,156.24 × 202,083.60 - Step 4: Simplify right side
371,849.48x = 103,700,460,341.66 - Step 5: Solve for x
x = 103,700,460,341.66/371,849.48 - Step 6: Final answer
x = 278,877.52
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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.