Finding the Fourth Proportional to 352,581.48, 486,513.48 and 207,393.84
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Solution
The fourth proportional to 352,581.48, 486,513.48 and 207,393.84 is: 286,174.70
Step by Step Solution
- Step 1: Write the proportion equation
352,581.48 : 486,513.48 = 207,393.84 : x - Step 2: Convert to fraction form
352,581.48/486,513.48 = 207,393.84/x - Step 3: Cross multiply
352,581.48x = 486,513.48 × 207,393.84 - Step 4: Simplify right side
352,581.48x = 100,899,898,828.96 - Step 5: Solve for x
x = 100,899,898,828.96/352,581.48 - Step 6: Final answer
x = 286,174.70
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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.