Finding the Fourth Proportional to 185,109.80, 277,664.70 and 106,159.10
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Solution
The fourth proportional to 185,109.80, 277,664.70 and 106,159.10 is: 159,238.65
Step by Step Solution
- Step 1: Write the proportion equation
185,109.80 : 277,664.70 = 106,159.10 : x - Step 2: Convert to fraction form
185,109.80/277,664.70 = 106,159.10/x - Step 3: Cross multiply
185,109.80x = 277,664.70 × 106,159.10 - Step 4: Simplify right side
185,109.80x = 29,476,634,653.77 - Step 5: Solve for x
x = 29,476,634,653.77/185,109.80 - Step 6: Final answer
x = 159,238.65
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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.