Finding the Fourth Proportional to 200,849.84, 277,197.36 and 115,966.76
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Solution
The fourth proportional to 200,849.84, 277,197.36 and 115,966.76 is: 160,048.32
Step by Step Solution
- Step 1: Write the proportion equation
200,849.84 : 277,197.36 = 115,966.76 : x - Step 2: Convert to fraction form
200,849.84/277,197.36 = 115,966.76/x - Step 3: Cross multiply
200,849.84x = 277,197.36 × 115,966.76 - Step 4: Simplify right side
200,849.84x = 32,145,679,719.75 - Step 5: Solve for x
x = 32,145,679,719.75/200,849.84 - Step 6: Final answer
x = 160,048.32
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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.