Finding the Fourth Proportional to 277,305.53, 382,681.53 and 149,981.09
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Solution
The fourth proportional to 277,305.53, 382,681.53 and 149,981.09 is: 206,973.85
Step by Step Solution
- Step 1: Write the proportion equation
277,305.53 : 382,681.53 = 149,981.09 : x - Step 2: Convert to fraction form
277,305.53/382,681.53 = 149,981.09/x - Step 3: Cross multiply
277,305.53x = 382,681.53 × 149,981.09 - Step 4: Simplify right side
277,305.53x = 57,394,991,078.86 - Step 5: Solve for x
x = 57,394,991,078.86/277,305.53 - Step 6: Final answer
x = 206,973.85
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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.