Finding the Fourth Proportional to 124,471.28, 171,792.75 and 73,481.02
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Solution
The fourth proportional to 124,471.28, 171,792.75 and 73,481.02 is: 101,417.02
Step by Step Solution
- Step 1: Write the proportion equation
124,471.28 : 171,792.75 = 73,481.02 : x - Step 2: Convert to fraction form
124,471.28/171,792.75 = 73,481.02/x - Step 3: Cross multiply
124,471.28x = 171,792.75 × 73,481.02 - Step 4: Simplify right side
124,471.28x = 12,623,506,897.68 - Step 5: Solve for x
x = 12,623,506,897.68/124,471.28 - Step 6: Final answer
x = 101,417.02
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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.