Finding the Fourth Proportional to 371,545.84, 512,733.36 and 201,779.92
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Solution
The fourth proportional to 371,545.84, 512,733.36 and 201,779.92 is: 278,456.34
Step by Step Solution
- Step 1: Write the proportion equation
371,545.84 : 512,733.36 = 201,779.92 : x - Step 2: Convert to fraction form
371,545.84/512,733.36 = 201,779.92/x - Step 3: Cross multiply
371,545.84x = 512,733.36 × 201,779.92 - Step 4: Simplify right side
371,545.84x = 103,459,296,362.13 - Step 5: Solve for x
x = 103,459,296,362.13/371,545.84 - Step 6: Final answer
x = 278,456.34
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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.