Finding the Fourth Proportional to 207,616.03, 286,510.14 and 112,122.70
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Solution
The fourth proportional to 207,616.03, 286,510.14 and 112,122.70 is: 154,729.34
Step by Step Solution
- Step 1: Write the proportion equation
207,616.03 : 286,510.14 = 112,122.70 : x - Step 2: Convert to fraction form
207,616.03/286,510.14 = 112,122.70/x - Step 3: Cross multiply
207,616.03x = 286,510.14 × 112,122.70 - Step 4: Simplify right side
207,616.03x = 32,124,290,474.18 - Step 5: Solve for x
x = 32,124,290,474.18/207,616.03 - Step 6: Final answer
x = 154,729.34
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1.5x scale
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.