Finding the Fourth Proportional to 277,113.66, 415,730.78 and 84,988.19
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Solution
The fourth proportional to 277,113.66, 415,730.78 and 84,988.19 is: 127,500.77
Step by Step Solution
- Step 1: Write the proportion equation
277,113.66 : 415,730.78 = 84,988.19 : x - Step 2: Convert to fraction form
277,113.66/415,730.78 = 84,988.19/x - Step 3: Cross multiply
277,113.66x = 415,730.78 × 84,988.19 - Step 4: Simplify right side
277,113.66x = 35,332,205,114.09 - Step 5: Solve for x
x = 35,332,205,114.09/277,113.66 - Step 6: Final answer
x = 127,500.77
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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.