Finding the Fourth Proportional to 121,496.79, 182,073.91 and 57,386.59
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Solution
The fourth proportional to 121,496.79, 182,073.91 and 57,386.59 is: 85,998.99
Step by Step Solution
- Step 1: Write the proportion equation
121,496.79 : 182,073.91 = 57,386.59 : x - Step 2: Convert to fraction form
121,496.79/182,073.91 = 57,386.59/x - Step 3: Cross multiply
121,496.79x = 182,073.91 × 57,386.59 - Step 4: Simplify right side
121,496.79x = 10,448,600,822.87 - Step 5: Solve for x
x = 10,448,600,822.87/121,496.79 - Step 6: Final answer
x = 85,998.99
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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.