Finding the Fourth Proportional to 209,866.68, 289,616.28 and 114,373.48
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Solution
The fourth proportional to 209,866.68, 289,616.28 and 114,373.48 is: 157,835.54
Step by Step Solution
- Step 1: Write the proportion equation
209,866.68 : 289,616.28 = 114,373.48 : x - Step 2: Convert to fraction form
209,866.68/289,616.28 = 114,373.48/x - Step 3: Cross multiply
209,866.68x = 289,616.28 × 114,373.48 - Step 4: Simplify right side
209,866.68x = 33,124,421,808.25 - Step 5: Solve for x
x = 33,124,421,808.25/209,866.68 - Step 6: Final answer
x = 157,835.54
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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.