Finding the Fourth Proportional to 277,537.09, 383,075.13 and 156,749.08
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Solution
The fourth proportional to 277,537.09, 383,075.13 and 156,749.08 is: 216,355.49
Step by Step Solution
- Step 1: Write the proportion equation
277,537.09 : 383,075.13 = 156,749.08 : x - Step 2: Convert to fraction form
277,537.09/383,075.13 = 156,749.08/x - Step 3: Cross multiply
277,537.09x = 383,075.13 × 156,749.08 - Step 4: Simplify right side
277,537.09x = 60,046,674,198.38 - Step 5: Solve for x
x = 60,046,674,198.38/277,537.09 - Step 6: Final answer
x = 216,355.49
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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.