Finding the Fourth Proportional to 277,917.68, 416,669.16 and 130,139.12
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Solution
The fourth proportional to 277,917.68, 416,669.16 and 130,139.12 is: 195,111.58
Step by Step Solution
- Step 1: Write the proportion equation
277,917.68 : 416,669.16 = 130,139.12 : x - Step 2: Convert to fraction form
277,917.68/416,669.16 = 130,139.12/x - Step 3: Cross multiply
277,917.68x = 416,669.16 × 130,139.12 - Step 4: Simplify right side
277,917.68x = 54,224,957,813.54 - Step 5: Solve for x
x = 54,224,957,813.54/277,917.68 - Step 6: Final answer
x = 195,111.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.