Finding the Fourth Proportional to 353,887.36, 528,264.97 and 327,545.88
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Solution
The fourth proportional to 353,887.36, 528,264.97 and 327,545.88 is: 488,943.75
Step by Step Solution
- Step 1: Write the proportion equation
353,887.36 : 528,264.97 = 327,545.88 : x - Step 2: Convert to fraction form
353,887.36/528,264.97 = 327,545.88/x - Step 3: Cross multiply
353,887.36x = 528,264.97 × 327,545.88 - Step 4: Simplify right side
353,887.36x = 173,031,014,471.82 - Step 5: Solve for x
x = 173,031,014,471.82/353,887.36 - Step 6: Final answer
x = 488,943.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.