Finding the Fourth Proportional to 193,361.22, 266,838.61 and 107,320.24
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Solution
The fourth proportional to 193,361.22, 266,838.61 and 107,320.24 is: 148,101.99
Step by Step Solution
- Step 1: Write the proportion equation
193,361.22 : 266,838.61 = 107,320.24 : x - Step 2: Convert to fraction form
193,361.22/266,838.61 = 107,320.24/x - Step 3: Cross multiply
193,361.22x = 266,838.61 × 107,320.24 - Step 4: Simplify right side
193,361.22x = 28,637,182,332.27 - Step 5: Solve for x
x = 28,637,182,332.27/193,361.22 - Step 6: Final answer
x = 148,101.99
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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.