Finding the Fourth Proportional to 134,881.23, 202,347.86 and 51,768.75
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Solution
The fourth proportional to 134,881.23, 202,347.86 and 51,768.75 is: 77,663.11
Step by Step Solution
- Step 1: Write the proportion equation
134,881.23 : 202,347.86 = 51,768.75 : x - Step 2: Convert to fraction form
134,881.23/202,347.86 = 51,768.75/x - Step 3: Cross multiply
134,881.23x = 202,347.86 × 51,768.75 - Step 4: Simplify right side
134,881.23x = 10,475,295,777.38 - Step 5: Solve for x
x = 10,475,295,777.38/134,881.23 - Step 6: Final answer
x = 77,663.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.