Finding the Fourth Proportional to 201,312.19, 277,816.14 and 109,437.65
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Solution
The fourth proportional to 201,312.19, 277,816.14 and 109,437.65 is: 151,026.85
Step by Step Solution
- Step 1: Write the proportion equation
201,312.19 : 277,816.14 = 109,437.65 : x - Step 2: Convert to fraction form
201,312.19/277,816.14 = 109,437.65/x - Step 3: Cross multiply
201,312.19x = 277,816.14 × 109,437.65 - Step 4: Simplify right side
201,312.19x = 30,403,545,777.82 - Step 5: Solve for x
x = 30,403,545,777.82/201,312.19 - Step 6: Final answer
x = 151,026.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.