Finding the Fourth Proportional to 277,605.48, 416,407.14 and 67,243.08
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Solution
The fourth proportional to 277,605.48, 416,407.14 and 67,243.08 is: 100,864.36
Step by Step Solution
- Step 1: Write the proportion equation
277,605.48 : 416,407.14 = 67,243.08 : x - Step 2: Convert to fraction form
277,605.48/416,407.14 = 67,243.08/x - Step 3: Cross multiply
277,605.48x = 416,407.14 × 67,243.08 - Step 4: Simplify right side
277,605.48x = 28,000,498,627.59 - Step 5: Solve for x
x = 28,000,498,627.59/277,605.48 - Step 6: Final answer
x = 100,864.36
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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.