Finding the Fourth Proportional to 277,538.09, 383,076.51 and 156,750.08
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Solution
The fourth proportional to 277,538.09, 383,076.51 and 156,750.08 is: 216,356.87
Step by Step Solution
- Step 1: Write the proportion equation
277,538.09 : 383,076.51 = 156,750.08 : x - Step 2: Convert to fraction form
277,538.09/383,076.51 = 156,750.08/x - Step 3: Cross multiply
277,538.09x = 383,076.51 × 156,750.08 - Step 4: Simplify right side
277,538.09x = 60,047,273,588.62 - Step 5: Solve for x
x = 60,047,273,588.62/277,538.09 - Step 6: Final answer
x = 216,356.87
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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.