Finding the Fourth Proportional to 185,347.12, 277,805.62 and 85,297.28
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Solution
The fourth proportional to 185,347.12, 277,805.62 and 85,297.28 is: 127,846.95
Step by Step Solution
- Step 1: Write the proportion equation
185,347.12 : 277,805.62 = 85,297.28 : x - Step 2: Convert to fraction form
185,347.12/277,805.62 = 85,297.28/x - Step 3: Cross multiply
185,347.12x = 277,805.62 × 85,297.28 - Step 4: Simplify right side
185,347.12x = 23,696,063,754.71 - Step 5: Solve for x
x = 23,696,063,754.71/185,347.12 - Step 6: Final answer
x = 127,846.95
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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.