Finding the Fourth Proportional to 119,324.49, 164,667.76 and 65,612.99
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Solution
The fourth proportional to 119,324.49, 164,667.76 and 65,612.99 is: 90,545.90
Step by Step Solution
- Step 1: Write the proportion equation
119,324.49 : 164,667.76 = 65,612.99 : x - Step 2: Convert to fraction form
119,324.49/164,667.76 = 65,612.99/x - Step 3: Cross multiply
119,324.49x = 164,667.76 × 65,612.99 - Step 4: Simplify right side
119,324.49x = 10,804,343,780.66 - Step 5: Solve for x
x = 10,804,343,780.66/119,324.49 - Step 6: Final answer
x = 90,545.90
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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.