Finding the Fourth Proportional to 352,658.00, 486,677.70 and 207,474.01
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Solution
The fourth proportional to 352,658.00, 486,677.70 and 207,474.01 is: 286,319.81
Step by Step Solution
- Step 1: Write the proportion equation
352,658.00 : 486,677.70 = 207,474.01 : x - Step 2: Convert to fraction form
352,658.00/486,677.70 = 207,474.01/x - Step 3: Cross multiply
352,658.00x = 486,677.70 × 207,474.01 - Step 4: Simplify right side
352,658.00x = 100,972,972,779.88 - Step 5: Solve for x
x = 100,972,972,779.88/352,658.00 - Step 6: Final answer
x = 286,319.81
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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.