Finding the Fourth Proportional to 277,756.11, 383,302.80 and 150,431.40
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Solution
The fourth proportional to 277,756.11, 383,302.80 and 150,431.40 is: 207,594.99
Step by Step Solution
- Step 1: Write the proportion equation
277,756.11 : 383,302.80 = 150,431.40 : x - Step 2: Convert to fraction form
277,756.11/383,302.80 = 150,431.40/x - Step 3: Cross multiply
277,756.11x = 383,302.80 × 150,431.40 - Step 4: Simplify right side
277,756.11x = 57,660,776,827.92 - Step 5: Solve for x
x = 57,660,776,827.92/277,756.11 - Step 6: Final answer
x = 207,594.99
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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.